Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Mensuration Plane Figures
The Perimeter of a triangular surface is 144 cm and the sides are in the ratio 3 ∶ 4 ∶ 5. The cost of painting the surface at the rate of Rs. 5/cm2, is
1
Rs. 4200
2
Rs. 4320
3
Rs. 3980
4
Rs. 3850