A wire is bent to form a square whose sides are of 66 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circl...
A man buys 200 shares of face value ₹100 each at ₹120 per share. The company declares a dividend of 15%. Find the rate of return on his investment.
Simple interest earned on an amount of Rs. 2500 at rate of R% per annum after 4 years is Rs. 150. Find the simple interest earned on an amount of Rs. 12...
A boat can travel upstream at 12 km/h and downstream at 18 km/h. What is the speed of the boat in still water?
Quantity I: A shopkeeper bought an article for Rs. 3000 and marked its price up by 50%. He then gave two successive discounts of 10% and ‘x’%, makin...
The average of 20 numbers is 62. If 3 is added to each number, then the new average will be:
Determine the curved surface area of a right circular cone whose height is 23 cm and diameter of the base is 46 cm.
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...
The second derivative of y = tan⁻¹ x at x = 1 is: