Question

Jyoti decided to renovate her room, she spends a total amount of Rs.15,000. She spends 30% of the total amount in painting and polishing, 40% of the remaining in electric wiring, 60% of the remaining on granite flooring and the rest in buying miscellaneous materials. What is the sum of the amount she spend on electric wiring and buying miscellaneous materials?
1. Rs.6720
2. Rs,7850
3. Rs.10,200
4. Rs.5600
5. Rs.7000

Answer 1

Correct Answer - Option 1 : Rs.6720

Given:

Amount spent by Jyoti = Rs.15000

Solution:

Amount spent in painting and polishing = (30/100) × 15000 = Rs.4500

∴ Amount left = 15000 – 4500 = Rs.10,500

40% of the remaining in electric wiring

∴ Amount spent in electric wiring = (40/100) × 10,500 = Rs.4200

Amount left = 10,500 – 4200 = Rs.6300

60% of the remaining on granite flooring

∴ Amount spent on granite flooring = (60/100) × 6300 = 3780

The amount which she spent on buying miscellaneous material = 6300 - 3780 = 2520

∴ The sum of the amount she spent on electric wiring and buying miscellaneous materials = 4200 + 2520 = Rs.6720