Mathematics (Pa...

If 12142c is divisible by 3, then find the value of c.

If 5/7 of x = 4/8 of y, then x : y is

The ratio of present ages of two persons, A and B is 3 : 4. After 20 years, this ratio will become 7 : 8. What is the present age of A?

In a box, there are 5 Nestle and 18 Dairy Milk chocolates. Mohan picks up a chocolate without looking at it. What is the probability that it will be a Nestle chocolate?

By which smallest number must 48 be divided to make it a perfect square?

What is the smallest number which when multiplied by 3600 will give a perfect cube as the product?

The marked price of a bag is Rs. 5200. If it is sold at a discount of 15%, what will be its selling price?

A group of 30 men can do a piece of work in 20 days. If 5 men leave the work after 5 days, how many days will the rest of the men take to complete the work?

A car can travel 30 km in 15 minutes. How many kilometres can it travel in two hours?

If 37933056 = 4096 × 9261, find the cube root of 37933056.

Four ice cubes of sides 11 cm, 12 cm 13 cm and 14 cm are melted and then frozen together again to form one big ice cube. Find the side of the new ice cube formed.

Ankit is measuring the angles of a quadrilateral. If two angles of the quadrilateral are 58° and 62°, and the other two angles are in the ratio 4 : 11, find the measures of the unknown angles.

The area of a trapezium is 384 sq. cm. If the lengths of its parallel sides are in the ratio of 3 : 5 and the perpendicular distance between them is 12 cm, then length of the smaller of the parallel sides is

Which of the following is the smallest multiple of 29645 and is a perfect square?

What is the sum of square root of 2025 and square root of 1521?

Simplify: 49^1.5 : 9^2.5

A number consists of two digits, whose sum is 15. If 27 is added to the original number, its digits get interchanged. Find the original number.

Area of four walls of a room is 168 sq. m. The breadth and height of the room are 6 m and 6 m, respectively. The length of the room is:

The measure of an exterior angle of a regular polygon is 72°. How many numbers of sides does the polygon have?

If 4a² + 9b² = 30 and ab = 1, what is the value of (2a + 3b)²?

What will be the buying price, if 5% sales tax is added on the purchase of 2 shampoo bottles at Rs. 180 each?

If 4 men can dig a pit in 16 days, then how many days will 8 men take to do the same work?

A car can travel 168 miles in 2 hours and a truck can travel 348 miles in 3 hours. What is the ratio of the speed of the car to that of the truck?

Evaluate: (20.2)² - (19.8)²