Question

Arpita's present age is thrice of Shilpa. If Shilpa's age 3 years ago was x. Then Arpita's present age is *
1 point
( a ) 3(x - 3)
( b ) 3x+3
( c ) 3x-9
( d ) 3(x+3)
Q8. The multiplicative inverse of -8/7 is *
1 point
( a ) 8/7
( b ) 7/8
( c ) -7/8
( d ) none of these​

Answer 1

1)Let us consider the problem:

Given that:

Shilpa's age 3 years ago is x years.

Therefore,

Present age of shilpa is (x+3)

Arpita's present age is thrice of shilpa. Therefore Arpita's present age is

3(x+3)=3x+9 years

2)-7/8