Question

A number, the sum of whose fourth and fifth parts exceed their third part by 28 , is : A) 120 B) 240 C) 220 D)160

Answer 1

a4+a5=a3-28
on solving we can get the answer.

Answer 2

⛤HERE IS YOUR ANSWER⛤

Let the number is x.

Then,
$\frac{1}{4} x + \frac{1}{5} x = \frac{1}{3} x + 28 \\ or \: \: ( \frac{1}{4} + \frac{1}{5} - \frac{1}{3} )x = 28 \\ or \: \: \frac{7}{60} x = 28 \\ or \: \: x = \frac{28 \times 60}{7} \\ or \: \: x = 240$

⛤HOPE THIS HELPS YOU⛤