(A) 22%
(B) 24%
(C) 25%
(D) 27%
Correct Option is: C
Let the number be m
Increase in its value = 25 % of m
= 25/100 × m
= m/4
Therefore, increase value = m + m/4
= (4m + m)/4
= 5m/4
Therefore, the given number must be multiplied by 5/4 to increase the number by 25%.