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In this category calculation is involved.

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Q1. If the price of sugar increases by 20%, by what percentage should a household reduce its consumption of sugar so that the budget remains the same?
Q1. If the price of sugar increases by 20%, by what percentage should a household reduce its consumption of sugar so that the budget remains the same?

(A)

13 \frac{2}{3} %

(A)

13 \frac{2}{3} %

(B)

14 \frac{2}{3} %

(B)

14 \frac{2}{3} %

(C)

15 \frac{2}{3} %

(C)

15 \frac{2}{3} %

(D)

16 \frac{2}{3} %

(D)

16 \frac{2}{3} %

Answer: (D)

16 \frac{2}{3} %

Answer: (D)

16 \frac{2}{3} %

16 \frac{2}{3} %

16 \frac{2}{3} %

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2024-04-20

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Q2. 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
Q2. 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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Q3. A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall is
Q3. A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall is

(A) 10 m
(A) 10 m

(B) 17.32 m
(B) 17.32 m

(D) 13 m
(D) 13 m

Answer: (A) 10 m
Answer: (A) 10 m

10 m

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2024-04-19

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Q4. The least number by which 2450 must be multiplied to make it a perfect square, is
Q4. The least number by which 2450 must be multiplied to make it a perfect square, is

(A) 2
(A) 2

(B) 3
(B) 3

(D) 5
(D) 5

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

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2024-04-19

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Q5. 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. 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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Q6. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?
Q6. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?

(A) 20%
(A) 20%

(B) 25%
(B) 25%

\frac{1}{2}

%
(C) 12

\frac{1}{2}

(D) 16

\frac{1}{2}

%
(D) 16

\frac{1}{2}

Answer: (A) 20%
Answer: (A) 20%

20% =

\frac{25}{100 + 25} * 100

\frac{25}{125} * 100

% = 20%

20% =

\frac{25}{100 + 25} * 100

\frac{25}{125} * 100

% = 20%

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2024-05-09

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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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2024-03-03

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Q8. 3/4 of a number is 19 less than the original number. The number is
Q8. 3/4 of a number is 19 less than the original number. The number is

(A) 62
(A) 62

(B) 64
(B) 64

(D) 76
(D) 76

Answer: (D) 76
Answer: (D) 76

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Q9. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :
Q9. 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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Q10. If 16℅ of 40℅ of a number is 8, then the number is
Q10. If 16℅ of 40℅ of a number is 8, then the number is

(A) 250
(A) 250

(B) 125
(B) 125

(D) 100
(D) 100

Answer: (B) 125
Answer: (B) 125

125

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2024-03-03

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Q11. If 20% of a is b, then b% of 20 is the same as :
Q11. If 20% of a is b, then b% of 20 is the same as :

(A) 4% of a
(A) 4% of a

(B) 8% of a
(B) 8% of a

(D) 10% of a
(D) 10% of a

Answer: (A) 4% of a
Answer: (A) 4% of a

20% of a is b Hence b = 20% of a = 20a/100 b% of 20 = 20% of b = (20/100) * 20a/100 = (20*20*a)/(100*100) = 4a/100 = (4/100) * a = 4% of a

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2024-05-15

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Q12. A number when divided by 6 is diminished by 40. The number is
Q12. 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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Q13. A number is as much greater than 31 as is less 55. Then the number is
Q13. 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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2024-03-03

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Q14. 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
Q14. 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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Q15. ‘A’ starts his journey at 1:00 p.m. from a location P with a speed of 1 m/sec. ‘B’ starts his journey from the same location P and along the same direction at 1:10 p.m. with a speed of 2 m/sec. If ‘B’ meets ‘A’ at the location Q, then the distance PQ is :
Q15. ‘A’ starts his journey at 1:00 p.m. from a location P with a speed of 1 m/sec. ‘B’ starts his journey from the same location P and along the same direction at 1:10 p.m. with a speed of 2 m/sec. If ‘B’ meets ‘A’ at the location Q, then the distance PQ is :

(A) 1.5 km
(A) 1.5 km

(B) 1.75 km
(B) 1.75 km

(D) 1.25 km
(D) 1.25 km

Answer: (C) 1.2 km
Answer: (C) 1.2 km

A starts journey before B at a speed of 1 m/s. Hence A will be ahead of B (10*60)s * 1m/s = 600m Let A covers a distance of X after starting of B, Then X + 600m = 2X => 2X - X = 600m => X = 600m Hence B will cover a distance of 2X = 2 * 600m = 1200m = 1.2 km

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2024-05-15

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Q16. The conversion of $0.0 \bar{37}$ in the fractional form is
Q16. The conversion of $0.0 \bar{37}$ in the fractional form is

(A)

\frac{37}{100}

(A)

\frac{37}{100}

(B)

\frac{37}{999}

(B)

\frac{37}{999}

(C)

\frac{37}{990}

(C)

\frac{37}{990}

(D)

\frac{37}{1000}

(D)

\frac{37}{1000}

Answer: (C)

\frac{37}{990}

Answer: (C)

\frac{37}{990}

\frac{37}{990}

\frac{37}{990}

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2024-04-20

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Q17. 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 :
Q17. 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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Q18. 5 : 27 :: 9 :
Q18. 5 : 27 :: 9 :

Fill the blank.

Fill the blank.

(A) 83
(A) 83

(B) 81
(B) 81

(D) 18
(D) 18

Answer: (A) 83
Answer: (A) 83

5 : (5² + 2) = 5 : 27 Hence 9 : (9² + 2) = 9 : 83

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2024-05-15

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Q19. If '÷' means ‘addition’, ‘+’ means ‘subtraction’, ‘–’ means ‘multiplication’ and ‘×’ means ‘division’, then the value of 18 ÷ 12 × 4 – 5 is
Q19. 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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Q20. Find the odd number - 15, 17, 6, 12.
Q20. Find the odd number - 15, 17, 6, 12.

(A) 6
(A) 6

(B) 12
(B) 12

(D) 17
(D) 17

Answer: (D) 17
Answer: (D) 17

17 which is a Prime number.

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2024-03-03

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

Q2. Two numbers are in the ratio of 2 : 3 and the product of their LCM and HCF is 96. The sum of the numbers isQ2. 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. A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall isQ3. A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall is

Q4. The least number by which 2450 must be multiplied to make it a perfect square, isQ4. The least number by which 2450 must be multiplied to make it a perfect square, is

Q5. 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 isQ5. 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

Q6. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?Q6. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?

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

Q8. 3/4 of a number is 19 less than the original number. The number isQ8. 3/4 of a number is 19 less than the original number. The number is

Q9. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :Q9. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :

Q10. If 16℅ of 40℅ of a number is 8, then the number isQ10. If 16℅ of 40℅ of a number is 8, then the number is

Q11. If 20% of a is b, then b% of 20 is the same as :Q11. If 20% of a is b, then b% of 20 is the same as :

Q12. A number when divided by 6 is diminished by 40. The number isQ12. A number when divided by 6 is diminished by 40. The number is

Q13. A number is as much greater than 31 as is less 55. Then the number isQ13. A number is as much greater than 31 as is less 55. Then the number is

Q16. The conversion of 0.037− in the fractional form isQ16. The conversion of 0.037− in the fractional form is

Q18. 5 : 27 :: 9 : ________Q18. 5 : 27 :: 9 : ________

Q20. Find the odd number - 15, 17, 6, 12.Q20. Find the odd number - 15, 17, 6, 12.

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1. Calculation Involved (Calculation is Required)

2. Calculation Not Involved (Calculation is Not Required)

Q2. 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
Q2. 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. A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall is
Q3. A 20 m long ladder is leaning on a vertical wall. It makes an angle of 30° with the ground. The height of the point the ladder touches wall is

Q4. The least number by which 2450 must be multiplied to make it a perfect square, is
Q4. The least number by which 2450 must be multiplied to make it a perfect square, is

Q5. 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. 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

Q6. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?
Q6. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?

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

Q8. 3/4 of a number is 19 less than the original number. The number is
Q8. 3/4 of a number is 19 less than the original number. The number is

Q9. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :
Q9. The price of an article is first decreased by 40% and then increased by 20%. The net change in the price will be :

Q10. If 16℅ of 40℅ of a number is 8, then the number is
Q10. If 16℅ of 40℅ of a number is 8, then the number is

Q11. If 20% of a is b, then b% of 20 is the same as :
Q11. If 20% of a is b, then b% of 20 is the same as :

Q12. A number when divided by 6 is diminished by 40. The number is
Q12. A number when divided by 6 is diminished by 40. The number is

Q13. A number is as much greater than 31 as is less 55. Then the number is
Q13. A number is as much greater than 31 as is less 55. Then the number is

Q16. The conversion of $0.0 \bar{37}$ in the fractional form is
Q16. The conversion of $0.0 \bar{37}$ in the fractional form is

Q18. 5 : 27 :: 9 :
Q18. 5 : 27 :: 9 :

Q20. Find the odd number - 15, 17, 6, 12.
Q20. Find the odd number - 15, 17, 6, 12.