Average Quiz Quantitative Aptitude Quiz for IBPS , SBI , RBI Prelims | Quiz – 6

Average Based Quiz Quantitative Aptitude Quiz for IBPS , SBI , RBI Prelims : Quiz – 6

Average is an important topic of the Quantitative Aptitude section of many banking exams such as the IBPS, SBI, and RBI PO and Clerk exams. 1-2 Average Based Questions are generally asked in competitive exams. Thus, candidates must have a clear understanding of the Average Based Questions. So, here we bring to you the Average Based Quiz to help you prepare well. All of the most recent pattern-based questions, as well as Previous Year Questions from the IBPS, SBI, and RBI PO and Clerk exams, are included in this Average Based Quiz. This Average Based Quiz is free of cost. Each question of this Average Based Quiz comes up with a detailed explanation. This Average Based Quiz can help you prepare better for upcoming examinations such as banking, insurance, SSC, and railway.


  1. The average of 9 numbers is recorded as 54. If three numbers 36, 55, and 47 were misread as 63, 52 and 41. Find the correct average?

(a)  50

(b) 45.5

(c) 57

(d) 52

(e) 48

Answer & Explanation

  1. 3 years ago, the average of Mohan’s family having 5 members was 17. Presently there are six members in the family but average age of Mohan’s family remains unchanged. Find age of the new member?  

(a) 5 yrs

(b) 3 yrs

(c) 4 yrs

(d) 1 yrs

(e) 2 yrs

Answer & Explanation

  1. S1 is a series of five consecutive multiples of 4 whose sum is 100. S2 is a series of 4 consecutive even integers such that the second smallest number of S2 is 6 less than largest number of S1. Find average of series S2.

(a) 28

(b) 25

(c) 32

(d) 34

(e) 23

Answer & Explanation

  1. If average of first six numbers is 47.5 and average of last six numbers is 48.5 in a set of 11 numbers. Find the sixth no. if overall average was 47.  

(a) 48

(b) 49

(c) 52

(d) 59

(e) 61

Answer & Explanation

  1. In a hostel consisting of 459 students, if number of students increases by 36, the expense of mess per day increased by Rs. 81 while reducing the average expense per head by Rs. 1, Find the original expenditure of mess ?  

(a) 16

(b) 15.5

(c) 15

(d) 16.5

(e) 18

Answer & Explanation

  1. The average wt. of boys in school is 60kg while average wt. of girls is 55 kg. The average wt. of both boys and girls is 58kg. Find the number girls in school if number of boys is 720.

(a) 480

(b) 720

(c) 240

(d) 360

(e) 600

Answer & Explanation
Answer & Explanation

  1. Average of four numbers is 26. Sum of smallest and largest number is 55. If difference between other two number is one then find the square of second smaller number.

(a) 576

(b) 625

(c) 529

(d) 484

(e) 676

Answer & Explanation

  1. N is a series of six consecutive even numbers, whose average is 53. N is the series of six consecutive odd numbers, whose third number is equal to average of lowest and highest number of N series. Find the average of N series.

(a) 64

(b) 58

(c) 56

(d)  54

(e) 60

Answer & Explanation

  1. A’s salary is 150% of B’s salary whose salary is 3/4th of C’s salary. If average salary of A and B together is Rs. 16245 less than average salary of A and C together then find C’s salary.

(a) Rs.1,29,960

(b) Rs.1,92,960

(c) Rs.1,29,690

(d) Rs.1,29,069

(e) Rs.1,92,690

Answer & Explanation

  1. The average age of 3 persons A, B and C is 48 years. Another person D joins the group then the new average age of three persons B,C and D becomes 44 years. If another person E, who is elder than A by 3 years, joins the group, the average age of the 4 persons B, C, D and E becomes 43 years. Then, find the average age of the person B and C.

(a) 51 years

(b) 53.5 years

(c) 50 years

(d) 55 years

(e) 48 years

Answer & Explanation

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