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At present, the mothers age is three times the daughter's age. After twelve years the age of the mother will be twice of her daughter. At present what is the daughter's age?

Walking at the rate of 4 km/h a man covers a certain distance in 2 hours 45 min. Running at a speed of 16.5 km/h, the man will cover the same distance in?

A number is divided by 84 and leaves remainder 37. If this number is divided by 12, then the remainder will be?

If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1,200, find the compound interest on the same sum for the same period at the same rate.

A 280 meter long train is moving at 60 km/h. The time taken by the train to cross a 220 meter long tunnel is?

In the following figure if AB || CD. Find the value of x°. [Figure: triangle-like shape with vertex E at the top, angle x° at E; at point C an exterior angle of 100° with line CD extending right; at point A a 50° angle with line AB extending right; AB || CD]

A, B and C are employed to do a piece of work for Rs. 529. A and C are supposed to finish 19/23 of the work together. How much shall be paid to B?

If the perimeter and the area of a circle are numerically equal, then the radius of the circle is

Two numbers are in the ratio 3 : 5. If each number is increased by 10, the ratio becomes 5 : 7. The numbers are

The least perfect square which is divisible by 3, 4, 5, 6, 8 is

The graph of a linear equation 2x + 5y = 10 is a line, which meets the x-axis at the point

The ratio of the angles ∠A and ∠B of a non-square rhombus ABCD is 4 : 5, the value of ∠C will be?

For any two sets A and B, what does A − (A − B) equal?

The ages of Ravish and Shikha are in the ratio 3 : 8. If after six years their ages will be in the ratio 4 : 9. The present age of Ravish is

Two persons A and B working together, can dig a trench in 8 hours, while A alone can dig it in 12 hours. In how many hours B alone can dig the same trench?

A retailer buys a radio for Rs. 225. His overhead expenses are Rs. 15. He sells the radio for Rs. 300. The profit percent of the retailer is

The linear equation 3x − 5y = 15 has

If all the sides of a parallelogram are equal and one angle is a right angle, then it is called as

The number of integers n satisfying −n + 2 ≥ 0 and 2n ≥ 4 is:

3-digit largest prime number is: