Question

Count of 90 parent's surveyed only 20% parents helped their wards in their home work; the number of
parents who helped their wards are:
(A) 18 (B) 20 (C) 22 (D) 30

Answer 1

Answer:

Step-by-step explanation:

=90 x $\frac{20}{100}$

=9 x $\frac{20}{10}$

=9 x 2

=18

therefore, option a is correct ans

Answer 2

Step-by-step explanation:

=90 x  

=9 x  

=9 x 2

=18

therefore, option a is correct ans