Question

3, 15, 35, 63, ……, 143

A) 75 B) 81 C) 99 D) 125​

Answer 1

Answer:

99

Step-by-step explanation:

1 x 3 = 3

3 x 5 = 15

5 x 7 = 35

7 x 9 = 63

9 x 11 = 99

11 x 13 = 143

i.e. product of consecutive odd natural numbers.

Hope this helps.....

Answer 2

Answer:

c) 99

Step-by-step explanation:

15-3=12

35-15=20

63-35=28

As we can see the patern 12+8,20+8,so 28+8=36

So, 36+63=99