Question

mother cut a cake in 20equal pieces Rahul ate 4/5 of the pieces Hiw mang pieces did he eat

Answer 1

total no of pieces=20
rahul ate=4/5 of the total pieces
20×4/5=16

Answer 2

Answer :-

Provided that

Number of pieces cut by mother = 20

Number of pieces eaten by by Rahul = 4/5 of total

Now from above Rahul ate 4/5 of 20 pieces

= 4/5 × 20
= 4 × 4
= 16

So number of pieces
eaten by Rahul = ${\boxed{16}}$