Question
The outer diameter of a hollow cylindrical brass rod is
9.1 cm. The rod is 35mm thick and is 40cm long. If the weight of 1 cubic centimeter of brass rod is 0.5 Kg, then find the total weight of the rod.Solution
The outer radius of cylinder = 9.1/2 = 4.55 cm The inner radius of cylinder = 4.55-3.5cm = 1.05 cm 
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
24.11 × 5.98 + 25.03 × 3.12 – 34.99 + 96.9 × 5.02 =?
A salesman is allowed 32% commission on the total sales by him and a bonus of 3% on the sales over Rs. 15000. If the total earnings of a salesman is Rs....
12.052 + 36.15 × 25.45 – 124.15 × 15.05 = ? × 8.08 – 64.32 × 15.98
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
What is the value of "Ï€"
25.22 of 359.98% + 499.99 ÷ 25.18 = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
? = 19.89% of (29.89 × 12.44) + 9.96 × 12.022
