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 [#1024]
| « | ! | ! | » |
Q1. 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
Q1. 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
(A) 55 years
(B) 65 years
(B) 65 years
(B) 65 years
(C) 58 years
(C) 58 years
(C) 58 years
(D) 60 years
(D) 60 years
(D) 60 years
Answer: (A) 55 years
Answer: (A) 55 years
Answer: (A) 55 years
25 years + (3*10) years = 55 years
25 years + (3*10) years = 55 years
25 years + (3*10) years = 55 years
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Related MCQ Quizzes
Q1. What is the term for a shape with five sides?
Q1. What is the term for a shape with five sides?
(A) Triangle
(A) Triangle
(A) Triangle
(B) Quadrilateral
(B) Quadrilateral
(B) Quadrilateral
(C) Pentagon
(C) Pentagon
(C) Pentagon
(D) Hexagon
(D) Hexagon
(D) Hexagon
Answer: (C) Pentagon
Answer: (C) Pentagon
Answer: (C) Pentagon
A pentagon is a polygon with five sides, like the shape of the Pentagon building in Washington, D.C.
A pentagon is a polygon with five sides, like the shape of the Pentagon building in Washington, D.C.
A pentagon is a polygon with five sides, like the shape of the Pentagon building in Washington, D.C.
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q2. Which of the following is a prime number?
Q2. Which of the following is a prime number?
81,33,71,93
81,33,71,93
81,33,71,93
(A) 93
(A) 93
(A) 93
(B) 33
(B) 33
(B) 33
(C) 71
(C) 71
(C) 71
(D) 81
(D) 81
(D) 81
Answer: (C) 71
Answer: (C) 71
Answer: (C) 71
71
71
71
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q3. A hostel has 120 students and food supplies are for 45 days. If 30 more students joined the hostel, then how many days the hostel will run with the existing food?
Q3. A hostel has 120 students and food supplies are for 45 days. If 30 more students joined the hostel, then how many days the hostel will run with the existing food?
(A) 40 days
(A) 40 days
(A) 40 days
(B) 38 days
(B) 38 days
(B) 38 days
(C) 36 days
(C) 36 days
(C) 36 days
(D) 32 days
(D) 32 days
(D) 32 days
Answer: (C) 36 days
Answer: (C) 36 days
Answer: (C) 36 days
36 days
36 days
36 days
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q4. 4/5 of a number is 64. Then half of the number is
Q4. 4/5 of a number is 64. Then half of the number is
(A) 16
(A) 16
(A) 16
(B) 80
(B) 80
(B) 80
(C) 32
(C) 32
(C) 32
(D) 40
(D) 40
(D) 40
Answer: (D) 40
Answer: (D) 40
Answer: (D) 40
40
40
40
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q5. If the sum of five consecutive numbers is 190, then the lowest number amongst them is
Q5. If the sum of five consecutive numbers is 190, then the lowest number amongst them is
(A) 40
(A) 40
(A) 40
(B) 19
(B) 19
(B) 19
(C) 38
(C) 38
(C) 38
(D) 36
(D) 36
(D) 36
Answer: (D) 36
Answer: (D) 36
Answer: (D) 36
36
36
36
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q6. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is
Q6. The LCM of two numbers is 40 and their HCF is 4. If the difference between the two numbers is 12, then the sum of the numbers is
(A) 20
(A) 20
(A) 20
(B) 24
(B) 24
(B) 24
(C) 28
(C) 28
(C) 28
(D) 32
(D) 32
(D) 32
Answer: (C) 28
Answer: (C) 28
Answer: (C) 28
X * (X-12) = 40 * 4
X = 20
X + (X-12) = 20 + 20 - 12 = 28
X * (X-12) = 40 * 4 X = 20 X + (X-12) = 20 + 20 - 12 = 28
X * (X-12) = 40 * 4 X = 20 X + (X-12) = 20 + 20 - 12 = 28
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q7. The simple interest earned by 4,000 in 18 months at 12% per annum is
Q7. The simple interest earned by 4,000 in 18 months at 12% per annum is
(A) 216
(A) 216
(A) 216
(B) 720
(B) 720
(B) 720
(C) 360
(C) 360
(C) 360
(D) 960
(D) 960
(D) 960
Answer: (B) 720
Answer: (B) 720
Answer: (B) 720
720
720
720
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q8. The value of is :
Q8. The value of is :
(A) 1.73
(A) 1.73
(A) 1.73
(B) 2.03
(B) 2.03
(B) 2.03
(C) 2.73
(C) 2.73
(C) 2.73
(D) 1.03
(D) 1.03
(D) 1.03
Answer: (C) 2.73
Answer: (C) 2.73
Answer: (C) 2.73
=
=
= 0.2 + 1.2 + 1.3 + 0.03
= 2.73
= = = 0.2 + 1.2 + 1.3 + 0.03 = 2.73
= = = 0.2 + 1.2 + 1.3 + 0.03 = 2.73
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
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%
(A) 20%
(B) 40%
(B) 40%
(B) 40%
(C) 24%
(C) 24%
(C) 24%
(D) 28%
(D) 28%
(D) 28%
Answer: (D) 28%
Answer: (D) 28%
Answer: (D) 28%
Net change (-40 + 20 + )%
= (-20 + )%
= (-20 - 8)%
= -28%
= 28%
Net change (-40 + 20 + )% = (-20 + )% = (-20 - 8)% = -28% = 28%
Net change (-40 + 20 + )% = (-20 + )% = (-20 - 8)% = -28% = 28%
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Q10. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction is
Q10. When the numerator of a fraction increases by 3, the fraction increases by its three-fourth. The numerator of the fraction is
(A) 3
(A) 3
(A) 3
(B) 4
(B) 4
(B) 4
(C) 5
(C) 5
(C) 5
(D) 6
(D) 6
(D) 6
Answer: (B) 4
Answer: (B) 4
Answer: (B) 4
4
4
4
*** Choose the correct option to show answer. (Choose the correct option to show answer.) Need help
Related Questions
1. Three numbers are in the ratio 3:4:6 and their product is 1944. The largest of the numbers is.2. If is equal to3. A wheel can cover a distance of 22 km in 1000 rounds. The radius of the wheel is4. Two numbers are in the ratio 2 : 3 and the product of their HCF and LCM is 96. The sum of the two numbers is5. A number is as much greater than 31 as is less 55. Then the number is6. A 100 metre long train moving in a uniform speed of 20 m/sec crosses a bridge of length 1 km. The time taken by the train to cross the bridge is7. What is the term for a number that has no decimal places or fractional part?8. A person moves along a path such that he is always away from a given point by 7 m. After moving for some time, he again reaches his starting point. The approximate distance the person moved during the time is9. What is the term for the result of multiplying a number by itself?10. What is the sum of the interior angles of a triangle?11. What is the term for a number that can be divided by 2?12. If A : B = 3, then 144A : 36B is13. What is the term for all positive and negative numbers as a whole including zero?14. When a number is divided by 893 the remainder is 193. If the same number is divided by 47, the remainder will be15. If the decimal number 34p5 is divisible by 9, then the value of p is16. Find the value of 17. Find the median of the data set.18. 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?19. 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?20. 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