Question

If 7 : 5 is in proportion to x : 25, then ‘x’ is (a) 27 (b) 49 (c) 35 (d) 14

Answer 1

c

Explanation:

given 7 : 5 is in proportion to x : 25

note that 5 × 5 = 25

then multiplying 7 by 5 gives the value of x , that is

x = 5 × 7 = 35