Question

The hourly wages of a carpenter have increased by 25%. The number of hours he works daily has reduced by 16% since, the increase. If he was earning Rs. 240 per day before the increase, how much is his earning now?
1. Rs. 126
2. Rs. 300
3. Rs. 252
4. Rs. 280

Answer 1

Correct Answer - Option 3 : Rs. 252

Given:

He used to earn = Rs. 240

Formula Used:

Daily wages = hourly wages × work hours

Calculations:

Let the original hourly wages and working hours be x and y respectively.

⇒ x × y = 240

New hourly wages = 1.25x

New working hours = 0.84y

New daily wages = (1.25x) × (0.84y)

⇒ New daily wages = 1.05xy

⇒ New daily wages = 1.05 × 240 = Rs. 252

∴ The earning of carpenter is Rs. 252.