Question

If p varies directly with q, and p = 10 when q = 2, what is the value of p when q = 20?

A.
p = 1

B.
p = 40

C.
p = 28

D.
p = 100

Answer 1

Answer is D.
When P=10, q = 2 ( this show p is 5 times greater than q)
So, when q is 20, p is [5×20] =100.