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Quantitative Aptitude Practice Arithmetic Aptitude Study Material

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Average Weight Height & Marks

Find the average of 20 consecutive integers starting from 30.

a) 39.5
b) 55.5
c) 89.5
d) 100.5

✔Answer

Correct Answer Is : 39.5

Solution Is :

Average of a set of 5 numbers is 40. If 2 numbers are added to this, the average increases by 10. What is the average of the two added number?

a) 105
b) 75
c) 55
d) 43

✔Answer

Correct Answer Is : 75

Solution Is :

Rahul calculated average of 20 numbers and found it to be 75.He was about to mark the answer option but he realised that he has misread 97 as 79.he corrected the average. What was the actual average ?

a) 75.9
b) 100.3
c) 65.7
d) 133

✔Answer

Correct Answer Is : 75.9

Solution Is :

In a class ,there are two sections A and B.The average weight of 35 students of section A is 48 and that of 30 students of section B is 45.Find the average weight of whole class.

a) 46 × 8/13
b) 48 × 8/13
c) 109 × 8/13
d) 89 × 8/13

✔Answer

Correct Answer Is : 46 × 8/13

Solution Is :

If a man of 60 Kg is replaced with another man , then the average weight of 25 men is increased with 1Kg . What is the weight of new person?

a) 50 Kg
b) 61 Kg
c) 86 Kg
d) 85 Kg

✔Answer

Correct Answer Is : 85 Kg

Solution Is :

Average weight of A ,B and C is 35 year. If average age of A and B is 30 years and that of B and C is 33 years, then the age of B:

a) 21 years
b) 23 years
c) 19 years
d) 25 years

✔Answer

Correct Answer Is : 21 years

Solution Is :

A cricketer whose bowling average is 24 runs per wicket takes 10 wickets for 40 runs and thereby decrease his average by 4.The number of wickets taken by him till the last match was :

a) 48
b) 44
c) 35
d) 40

✔Answer

Correct Answer Is : 40

Solution Is :

In a class, the average age of students is 24 years. The average age of boys is 30 years. If the ratio of numbers of boys and girl is 2:1, then find the average age of girls after 6 years.

a) 12 years
b) 14 years
c) 16 years
d) 18 years

✔Answer

Correct Answer Is : 18 years

Solution Is :

Find the average of all composite numbers from 1 to 20.

a) 11 × 1/6
b) 20 × 1/6
c) 91 × 1/6
d) 10 × 1/6

✔Answer

Correct Answer Is : 11 × 1/6

Solution Is :

Find the average of all perfect squares from 1 to 100.

a) 36.5
b) 39.5
c) 40.5
d) 38.5

✔Answer

Correct Answer Is : 38.5

Solution Is :

❑Number System
❑Time Work & Wages
❑Alligation or Mixture
❑Average Weight Height & Marks
❑Ages
❑Time Distance & Speed
❑Ratio & Proportion
❑Probability
❑Permutation and Combination
❑Sets and their Representations
❑BODMAS Rule Fractions Surds and Indices
❑Percentage Discount
❑Profit and Loss
❑Simple Compound Interest & Installments

❏Computer Practice +

❏English Practice +

❏General Knowledge Practice +

❏Logical Reasoning Practice +

❏Quantitative Aptitude Practice +

Quantitative Aptitude Practice Arithmetic Aptitude Study Material

Average Weight Height & Marks

Find the average of 20 consecutive integers starting from 30.

Correct Answer Is : 39.5

Solution Is :

Average of a set of 5 numbers is 40. If 2 numbers are added to this, the average increases by 10. What is the average of the two added number?

Correct Answer Is : 75

Solution Is :

Rahul calculated average of 20 numbers and found it to be 75.He was about to mark the answer option but he realised that he has misread 97 as 79.he corrected the average. What was the actual average ?

Correct Answer Is : 75.9

Solution Is :

In a class ,there are two sections A and B.The average weight of 35 students of section A is 48 and that of 30 students of section B is 45.Find the average weight of whole class.

Correct Answer Is : 46 × 8/13

Solution Is :

If a man of 60 Kg is replaced with another man , then the average weight of 25 men is increased with 1Kg . What is the weight of new person?

Correct Answer Is : 85 Kg

Solution Is :

Average weight of A ,B and C is 35 year. If average age of A and B is 30 years and that of B and C is 33 years, then the age of B:

Correct Answer Is : 21 years

Solution Is :

A cricketer whose bowling average is 24 runs per wicket takes 10 wickets for 40 runs and thereby decrease his average by 4.The number of wickets taken by him till the last match was :

Correct Answer Is : 40

Solution Is :

In a class, the average age of students is 24 years. The average age of boys is 30 years. If the ratio of numbers of boys and girl is 2:1, then find the average age of girls after 6 years.

Correct Answer Is : 18 years

Solution Is :

Find the average of all composite numbers from 1 to 20.

Correct Answer Is : 11 × 1/6

Solution Is :

Find the average of all perfect squares from 1 to 100.

Correct Answer Is : 38.5

Solution Is :

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