Question

35. A number when increased by 40% becomes 42.
What is the number?​

Answer 1

Answer:

30

Step-by-step explanation:

let the no. be a

140% of a =42

∴ a = 42 x  100/140

∴a = 30

Answer 2

Let the no be x

Increasing the no by 40%

x+40x/100=42

140x/100=42

7x/5=42

x=30

The no=30