SSC Selection Post 2020 PYQ — Question 64

SSC Selection Post - Matriculation Level 2020 - 6 Nov 2020 - Shift 1 • Quantitative Aptitude • Q64

There are five numbers. The second number is 25% more than the first or third number, the fourth number is $5\over4$ of the third number, and the fifth number is $3\over2$ of the third number. What is the average of the five numbers if the first number is 40?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 48.

Let 1st = 40

3rd = 40 (same as 1st)

2nd = 25% more than 40 = 40 + 10 = 50

4th = ${5\over4}\times40$ = 50

5th = ${3\over2}\times40$ = 60

Sum = 40 + 50 + 40 + 50 + 60 = 240

Average = $240 \over 5$ = 48