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In this category calculation is involved.

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Q1. The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?
Q1. The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?

(A) 60
(A) 60

(B) 120
(B) 120

(D) 240
(D) 240

Answer: (B) 120
Answer: (B) 120

120

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2024-04-19

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Q2. 98 toffees were distributed to some boys in a group. Each boy in the group got twice as many of the toffees as the number of boys. The number of boys in the group was
Q2. 98 toffees were distributed to some boys in a group. Each boy in the group got twice as many of the toffees as the number of boys. The number of boys in the group was

(A) 5
(A) 5

(B) 7
(B) 7

(D) 14
(D) 14

Answer: (B) 7
Answer: (B) 7

7 => x * 2x = 98 => x² =

\frac{98}{2}

=> x² = 49 => x = 7

7 => x * 2x = 98 => x² =

\frac{98}{2}

=> x² = 49 => x = 7

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2024-05-09

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Q3. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
Q3. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is

(A) 8
(A) 8

(B) 12
(B) 12

(D) 36
(D) 36

Answer: (C) 20
Answer: (C) 20

=> 2x * 3x = 96 => 6x² = 96 => x² = 96/6 => x² = 16 => x = 4 2x + 3x = 5x = 5 * 4 = 20

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2024-05-09

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Q4. Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is
Q4. Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is

(A) 48
(A) 48

(B) 36
(B) 36

(D) 30
(D) 30

Answer: (C) 39
Answer: (C) 39

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2024-03-03

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Q5. Find the value of the following expression
Q5. Find the value of the following expression

48÷12+4×25÷5

48÷12+4×25÷5

(A) 15
(A) 15

(B) 24
(B) 24

(D) 25
(D) 25

Answer: (B) 24
Answer: (B) 24

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Q6. Two trains of 200 m and 100 m long are running parallel at the rate of 20 m/sec. and 22 m/sec. respectively. How much time will they take to cross each other, if the trains are running along the same direction?
Q6. Two trains of 200 m and 100 m long are running parallel at the rate of 20 m/sec. and 22 m/sec. respectively. How much time will they take to cross each other, if the trains are running along the same direction?

(A) 120 sec
(A) 120 sec

(B) 100 sec
(B) 100 sec

(D) 50 sec
(D) 50 sec

Answer: (D) 50 sec
Answer: (D) 50 sec

The difference of speed = 22m/s - 20m/s = 2m/s As the train with speed 22m/s will cross the other, hence this train have to go the smallest length of the trains distance ahead of the other to cross completely. Hence This train will be ahead of 100m with a speed of 2m/s. Hence The time to cross each other will take = 100m / (2m/s) = 50 sec

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2024-05-15

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Q7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is
Q7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is

(A) 25
(A) 25

(B) 45
(B) 45

(D) 27
(D) 27

Answer: (D) 27
Answer: (D) 27

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Q8. A lady deposits money in her savings bank in such a way that every next day her deposit amount is ₹ 12 more than her previous day deposit. If she starts her deposit with ₹ 12 on the first day, the total amount deposited by Liza at the end of 30 days will be :
Q8. A lady deposits money in her savings bank in such a way that every next day her deposit amount is ₹ 12 more than her previous day deposit. If she starts her deposit with ₹ 12 on the first day, the total amount deposited by Liza at the end of 30 days will be :

(A) 5,420
(A) 5,420

(B) 5,580
(B) 5,580

(D) 5,780
(D) 5,780

Answer: (B) 5,580
Answer: (B) 5,580

The formula for the sum of the first n terms of an arithmetic progression is

S_{n} = \frac{n}{2} (a + a n)

\frac{30}{2} (12 + 12 * 30)

= 15*(12+360) = 15 * 372 = 5580

The formula for the sum of the first n terms of an arithmetic progression is

S_{n} = \frac{n}{2} (a + a n)

\frac{30}{2} (12 + 12 * 30)

= 15*(12+360) = 15 * 372 = 5580

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2024-05-09

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Q9. A number when divided by 6 is diminished by 40. The number is
Q9. A number when divided by 6 is diminished by 40. The number is

(A) 72
(A) 72

(B) 48
(B) 48

(D) 84
(D) 84

Answer: (B) 48
Answer: (B) 48

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2024-03-03

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Q10. 4/5 of a number is 64. Then half of the number is
Q10. 4/5 of a number is 64. Then half of the number is

(A) 16
(A) 16

(B) 80
(B) 80

(D) 40
(D) 40

Answer: (D) 40
Answer: (D) 40

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2024-03-03

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Q11. A number is as much greater than 22 as is less than 72. Then the number is
Q11. A number is as much greater than 22 as is less than 72. Then the number is

(A) 44
(A) 44

(B) 50
(B) 50

(D) 47
(D) 47

Answer: (D) 47
Answer: (D) 47

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2024-03-03

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Q12. If '÷' means ‘addition’, ‘+’ means ‘subtraction’, ‘–’ means ‘multiplication’ and ‘×’ means ‘division’, then the value of 18 ÷ 12 × 4 – 5 is
Q12. If '÷' means ‘addition’, ‘+’ means ‘subtraction’, ‘–’ means ‘multiplication’ and ‘×’ means ‘division’, then the value of 18 ÷ 12 × 4 – 5 is

(A) 25
(A) 25

(B) 35
(B) 35

(D) 33
(D) 33

Answer: (D) 33
Answer: (D) 33

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2024-04-13

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Q13. Which of the following is a prime number?
Q13. Which of the following is a prime number?

81,33,71,93

81,33,71,93

(A) 93
(A) 93

(B) 33
(B) 33

(D) 81
(D) 81

Answer: (C) 71
Answer: (C) 71

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Q14. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is
Q14. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is

(A) 13
(A) 13

(B) 11
(B) 11

(D) 9
(D) 9

Answer: (A) 13
Answer: (A) 13

The smallest number amongst them is 13 => X + (X+2) + (X+4) + (X+6) = 64 => 4X + 12 = 64 => 4X = 64 - 12 => 4X = 52 => X = 13

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2024-05-09

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Q15. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :
Q15. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :

(A) 20%
(A) 20%

(B) 40%
(B) 40%

(D) 28%
(D) 28%

Answer: (D) 28%
Answer: (D) 28%

Net change (-40 + 20 +

\frac{(- 40) * 20}{100}

)% = (-20 +

\frac{- 800}{100}

)% = (-20 - 8)% = -28% = 28%

Net change (-40 + 20 +

\frac{(- 40) * 20}{100}

)% = (-20 +

\frac{- 800}{100}

)% = (-20 - 8)% = -28% = 28%

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2024-05-15

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Q16. Shyam stored Rs 35 in the form of 1 rupee coin and 50 paise coins in the ratio 2 : 3. The number of 50 paise coins are
Q16. Shyam stored Rs 35 in the form of 1 rupee coin and 50 paise coins in the ratio 2 : 3. The number of 50 paise coins are

(A) 20
(A) 20

(B) 25
(B) 25

(D) 35
(D) 35

Answer: (C) 30
Answer: (C) 30

1*20 + 0.5*30 = 20+15 = 35

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2024-04-19

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Q17. In a school with 10 teachers, one retires and immediately a new teacher of age 25 years joins. As a result, the average age of the teacher reduces by 3. The age of the retired teacher is
Q17. In a school with 10 teachers, one retires and immediately a new teacher of age 25 years joins. As a result, the average age of the teacher reduces by 3. The age of the retired teacher is

(A) 55 years
(A) 55 years

(B) 65 years
(B) 65 years

(D) 60 years
(D) 60 years

Answer: (A) 55 years
Answer: (A) 55 years

25 years + (3*10) years = 55 years

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2024-04-19

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Q18. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are
Q18. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are

(A) 4 and 10
(A) 4 and 10

(B) 6 and 9
(B) 6 and 9

(D) 7 and 8
(D) 7 and 8

Answer: (D) 7 and 8
Answer: (D) 7 and 8

7 and 8

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2024-03-03

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Q19. A number is as much greater than 31 as is less 55. Then the number is
Q19. A number is as much greater than 31 as is less 55. Then the number is

(A) 39
(A) 39

(B) 32
(B) 32

(D) 47
(D) 47

Answer: (C) 43
Answer: (C) 43

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Q20. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :
Q20. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :

(A) 2 : 3
(A) 2 : 3

(B) 3 : 5
(B) 3 : 5

(D) 2 : 5
(D) 2 : 5

Answer: (A) 2 : 3
Answer: (A) 2 : 3

\frac{45}{100} * X = \frac{30}{100} * Y

\frac{X}{Y} = \frac{30 * 100}{100 * 45}

\frac{X}{Y} = \frac{2}{3}

= X:Y = 2:3

\frac{45}{100} * X = \frac{30}{100} * Y

\frac{X}{Y} = \frac{30 * 100}{100 * 45}

\frac{X}{Y} = \frac{2}{3}

= X:Y = 2:3

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2024-05-09

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Calculation Involved (Calculation is Required) | MCQ Quizzes | Category (R/R/M)

Q1. The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?Q1. The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?

Q3. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers isQ3. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is

Q4. Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number isQ4. Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is

Q5. Find the value of the following expressionQ5. Find the value of the following expression

Q7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers isQ7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is

Q9. A number when divided by 6 is diminished by 40. The number isQ9. A number when divided by 6 is diminished by 40. The number is

Q10. 4/5 of a number is 64. Then half of the number isQ10. 4/5 of a number is 64. Then half of the number is

Q11. A number is as much greater than 22 as is less than 72. Then the number isQ11. A number is as much greater than 22 as is less than 72. Then the number is

Q13. Which of the following is a prime number?Q13. Which of the following is a prime number?

Q14. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them isQ14. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is

Q15. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :Q15. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :

Q16. Shyam stored Rs 35 in the form of 1 rupee coin and 50 paise coins in the ratio 2 : 3. The number of 50 paise coins areQ16. Shyam stored Rs 35 in the form of 1 rupee coin and 50 paise coins in the ratio 2 : 3. The number of 50 paise coins are

Q18. The sum of two numbers is 15 and the sum of their squares is 113. The numbers areQ18. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are

Q19. A number is as much greater than 31 as is less 55. Then the number isQ19. A number is as much greater than 31 as is less 55. Then the number is

Q20. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :Q20. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :

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Related Categories

1. Calculation Involved (Calculation is Required)

2. Calculation Not Involved (Calculation is Not Required)

Q1. The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?
Q1. The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?

Q3. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is
Q3. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers is

Q4. Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is
Q4. Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is

Q5. Find the value of the following expression
Q5. Find the value of the following expression

Q7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is
Q7. The difference of two numbers is 5 and the difference of their square is 135. Then the sum of the numbers is

Q9. A number when divided by 6 is diminished by 40. The number is
Q9. A number when divided by 6 is diminished by 40. The number is

Q10. 4/5 of a number is 64. Then half of the number is
Q10. 4/5 of a number is 64. Then half of the number is

Q11. A number is as much greater than 22 as is less than 72. Then the number is
Q11. A number is as much greater than 22 as is less than 72. Then the number is

Q13. Which of the following is a prime number?
Q13. Which of the following is a prime number?

Q14. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is
Q14. The sum of the four consecutive alternate numbers is 64. The smallest number amongst them is

Q15. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :
Q15. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :

Q16. Shyam stored Rs 35 in the form of 1 rupee coin and 50 paise coins in the ratio 2 : 3. The number of 50 paise coins are
Q16. Shyam stored Rs 35 in the form of 1 rupee coin and 50 paise coins in the ratio 2 : 3. The number of 50 paise coins are

Q18. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are
Q18. The sum of two numbers is 15 and the sum of their squares is 113. The numbers are

Q19. A number is as much greater than 31 as is less 55. Then the number is
Q19. A number is as much greater than 31 as is less 55. Then the number is

Q20. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :
Q20. 45% of a number is same as 30% of another number. The ratio of the first number to the second number is :