Question

20) Look at this series: 80, 10, 70, 15, 60, ... What number should come next?
A. 20
B. 25
C. 30
D. 50

Answer 1

hello bhai

here is ur ans

the first set of alternative no

is equal to

80,70,60

so, 10 is decreased everytime

the second set of alternative no.

is equal to

10,15..

that means 5 is added every time

so, 15+5= 20

so, 20 is the ans

hope it helps you

Answer 2

Hi friend, Here's the required answer:-

The correct answer is A.20

As the first , third and fifth numbers are decreasing by 10 and second, fourth and sixth numbers are increasing by 5.

Hope this helps you...