The smallest 5-digit number divisible by 41 is:

On adding a natural number P to the product of four consecutive natural numbers we get a perfect square number. The minimum value of P is:

The difference between the compound interest and simple interest on a certain sum at the rate of 5% p.a in 3 years is Rs. 15.25. The sum is:

A train crosses two persons travelling at 3 kmph and 5 kmph in the same direction in 10 seconds and 11 seconds respectively. The speed of the train is:

If the length of a rectangle is increased by 20% and its breadth is decreased by 20%, its area:

The ratio of two numbers is 5 : 11. If both numbers are increased by 10, the ratio becomes 7 : 13. What is the sum of the two numbers?

Two buses start at the same time from Delhi and Agra, which are 300 km. apart, towards each other. After what time will they cross each other if their speeds are 38 km per hour and 37 km per hour?

The radius of a semicircle is 35 cm, find its area and perimeter.