arrow
arrow
arrow
The length, breadth, and height of a room are 10 m,8 m and 6 m respectively. Find the cost of white washing the walls of the room and the ceiling at t
Question

The length, breadth, and height of a room are 10 m,8 m and 6 m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of ₹7.50 per m².

A.

₹ 2,220

B.

₹ 1,850

C.

₹2, 150

D.

₹2,000

Correct option is A

l = 10 m, b = 8 m, h = 6 m
Area of face walls and celling
= 2h(l+b)+lb
= 2×6(10+8)+10×8
= 296 m²
Cost of white washing per m² = ₹7.50
96 m² = 296×7.50
= ₹2220

Free Tests

Free
Must Attempt

SSC GD PYP (Held on 4 Feb 2025 S1)

languageIcon English
  • pdpQsnIcon80 Questions
  • pdpsheetsIcon160 Marks
  • timerIcon60 Mins
languageIcon English
Free
Must Attempt

Hindi Section Test 1

languageIcon English
  • pdpQsnIcon20 Questions
  • pdpsheetsIcon40 Marks
  • timerIcon12 Mins
languageIcon English
Free
Must Attempt

SSC GD Constable Full Mock Test 1

languageIcon English
  • pdpQsnIcon80 Questions
  • pdpsheetsIcon160 Marks
  • timerIcon60 Mins
languageIcon English
test-prime-package

Access ‘SSC CGL Tier I’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
353k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow