Question

The ratio between two numbers is 7 : 16. If the second number is 256 then the first number is:
1. 120
2. 156
3. 112
4. 144

Answer 1

Correct Answer - Option 3 : 112

Given:

Ratio between two numbers = 7 : 16

Second number = 256

Formula Used:

Ratio of two quantity = quantity 1 / quantity 2

Calculation:

The numbers are in the ratio 7 : 16 

⇒ 7/16 = First number/Second number 

⇒ 7/16 = First number/256

⇒ 7 × 256 = 16 (First number)

⇒ First number = 16 × 7

⇒ First number = 112 

∴ The First number is 112