Question
A stone of mass 0.3 kg tied to the end of a string is
whirled round in a circle of radius 1.2 m with a speed of 20 rev./ mim in a horizontal plane. What is the tension in the string? What is the maximum speed with which the stone can be whirl around if the string can withstand a maximum tension of 100 N?Solution
The correct answer is D
5, 24, 47, 76, 113, ?.
The ratio of milk and water in a mixture of 28 litres is 4 : 3. Find the quantity of milk in the mixture?Â
945, 824, 680, 511, ?, 90
Quantity I: The distance a truck travels from point P to point Q, given that a bike covers the same distance in 2 hours. The tru...
A principal of ₹5000 is invested at a simple interest rate of 8% per annum. What will be the interest earned after 3 years?
What will come in place of the question mark (?) in the following series?
120, 128, 144, 168, 240
Rohan ranks seventh from the top and twenty sixth from the bottom in a class. How many students are there in the class?
A contractor was tasked with constructing a bridge within 45 days. To complete the project, he initially hired 75 workers. However, after 40 days, he di...
If x = a cos³ θ, y = a sin³ θ, then dy/dx at any θ is:
Find the simplified value of the expression:
32 + 12 x 108 ÷ 12 + 4 + 32 ÷ 16 x 3