# Average and Age Questions and Answers updated daily – Aptitude

Average and Age Questions: Solved 490 Average and Age Questions and answers section with explanation for various online exam preparation, various interviews, Aptitude Category online test. Category Questions section with detailed description, explanation will help you to master the topic.

## Average and Age Questions

461. Find the average of the first 56 natural numbers

Correct Ans:28.5
Explanation:
Solution is
Average of the first n natural numbers = (n + 1) / 2
Average of the first 56 natural numbers = (56 + 1) / 2
= 57 / 2
= 28.5
Workspace

462. The average weight of a class having 25 students is 32 kg. Find the total weight of the class.

Correct Ans:800
Explanation:
Solution is
Given, Average weight = 32 kg
No.of students = 25

Average = Total Quantity / No. of Quantity
=> Total Weight of the class = Average weight x No. of Students
= 32 * 25
= 800
Workspace

463. Find the average of the first 14 natural numbers

Correct Ans:7.5
Explanation:
Solution is :
Average of the first n natural numbers = ( n + 1 ) / 2
Average of the first 14 natural numbers = ( 14 + 1 ) / 2
= 15 / 2
= 7.5
Workspace

464. The average weight of a class having 16 students is 36 kg. Find the total weight of the class.

Correct Ans:576
Explanation:
Solution is :
Given, average weight = 36 kg
No. of students = 16
Average = Total Quantity / No. of Quantity
=> Total weight of the class = Average weight x No. of Students
= 36 * 16
= 576 kg
Workspace

465. Find the average of the first 70 natural numbers ?

Correct Ans:35.5
Explanation:
Solution is :
Average of the first n natural numbers = ( n + 1 ) / 2
Average of the first 70 natural numbers = ( 70 + 1 ) / 2
= 71 / 2
= 35.5
Workspace

466. Find the average of first 26 multiples of 11

Correct Ans:148.5
Explanation:
Solution is:
Average of first 26 natural numbers = ( n + 1 ) / 2
= ( 26 + 1 ) / 2
= 27 / 5
= 13.5
Average of first 26 multiples of 11 = ( Average of first 26 natural numbers ) * 11
= 13.5 * 11
= 148.5
Workspace

467. The average weight of a class having 14 students is 36 kg. Find the total weight of the class.

Correct Ans:504
Explanation:
Solution is :
Given, Average weight of the class = 36 kg
No. of students in the class = 14
Average = Total Quantity / No. of Quantity
=> Total weight of the class = Average weight x No. of students

= 36 * 14
= 504
Workspace

468. Find the average of first 17 multiples of 3

Correct Ans:27
Explanation:
Solution is
Given

Average of first 17 natural numbers= (n + 1 ) / 2
=(18 / 2 )
= 9
Average of first 17 multiples of 3 =(Average of first 17 natural numbers) x 3
= 9 x 3
= 27

Workspace

469. The average weight of 14 class having a students is 36 kg. Find the total weight of the class.

Correct Ans:504
Explanation:
Solution is :
Total quantity = Average x No. of Quantity
Total weight = Average weight x No.of students
= 36 x 14
= 504 kg
Workspace

470. Find the average of first 30 multiples of 8

Correct Ans:124
Explanation:
Solution is :
Average of first 30 natural numbers = ( n + 1 ) / 2
= ( 30 + 1 ) / 2
= 31 / 2
= 15.5
Average of first 30 multiples of 8 = ( Average of first 30 natural numbers ) * 8
= 15.5 * 8
= 124
Workspace

471. Find the average of first 26 multiples of 11

Correct Ans:148.5
Explanation:
Solution is:
Average of first 26 natural numbers = ( n + 1 ) / 2
= ( 26 + 1 ) / 2
= 27 / 5
= 13.5
Average of first 26 multiples of 11 = ( Average of first 26 natural numbers ) * 11
= 13.5 * 11
= 148.5
Workspace

472. The average weight of a class having 12 students is 30 kg. Find the total weight of the class.

Correct Ans:360
Explanation:
Solution is
[ Total quantity = Average x No.of quantity ]

= 12 x 30
= 360
Workspace

473. Find the average of the first 70 natural numbers

Correct Ans:35.5
Explanation:
Solution is
Average of n natural numbers = (n + 1 ) / 2
= ( 70 + 1 ) / 2
= 71 / 2
= 35.5
Workspace

474. The average weight of a class having 14 students is 44 kg. Find the total weight of the class.

Correct Ans:616
Explanation:
Solution is
Average = Total Quantity / No. of Quantity
Total quantity = Avg x No. of Quantity

Total quantity = 14 x 44
= 616
Workspace

475. Find the average of the first 27 natural numbers

Correct Ans:14
Explanation:
Solution is
Average of n natural numbers =( n + 1 ) / 2
Average of 27 natural numbers = ( 27 + 1 ) / 2
= 28 / 2
= 14
Workspace

476. The average weight of 16 class having a students is 36 kg. Find the total weight of the class.

Correct Ans:576
Explanation:
Average = Total Quantity / No. of Quantity Total quantity = Avg x No. of Quantity Total quantity = 16 x 36 = 576
Workspace

477. Find the average of the first 27 natural numbers

Correct Ans:14
Explanation:
Solution is
Average of n natural numbers =( n + 1 ) / 2
Average of 27 natural numbers = ( 27 + 1 ) / 2
= 28 / 2
= 14
Workspace

478. The average weight of a class having 16 students is 36 kg. Find the total weight of the class.

Correct Ans:576
Explanation:
Solution is
Given :
Average weight of a class having 16 students is 36 kg
Average = Total Quantity / No. of Quantity
Total quantity = Avg x No. of Quantity

Total quantity = 16 x 36 = 576
Workspace

479. Find the average of first 17 multiples of 3

Correct Ans:27
Explanation:
Solution is
Given

Average of first 17 natural numbers= (n + 1 ) / 2
=(18 / 2 )
= 9
Average of first 17 multiples of 3 =(Average of first 17 natural numbers) x 3
= 9 x 3
= 27

Workspace

480. Find the average of the first 56 natural numbers

Correct Ans:28.5
Explanation:
Solution is
Average of n natural numbers = (n + 1) / 2
= (56 + 1) / 2
= 57 / 2
= 28.5
Workspace

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