Given, an umbrella is made of 12 triangular pieces each measuring 50 cm, 20 cm, 50 cm. The area of cloth required is Semi perimeter, s = =... View Article
The seats for Maths : Physics : Biology = 5 : 7 : 8 Let the number of seats in M, P, B be 5x, 7x and 8x. Increase % in M, P, B = 40, 50, 75... View Article