If two numbers are, respectively, 25% and 40% less than the third number, what is the ratio of these two numbers?

A car travels 60 km in 1 hour and then 90 km in 1.5 hours. What is the average speed of the car for the entire journey?

If the price of a product is reduced by 15% and then increased by 15%, what is the overall percentage change in the price?

Ajay walks around a circle ground which has a diameter of 100 m, how far the ajay has walked when he round the ground 5 times?

Ramesh visits his friend's home, which is 20 km away from his home. He covers the first half of the distance at the speed of 6 km/h and to cover the second half of the distance he takes double the time than the first half. What is the time taken by him to cover the whole journey?

In how many ways can X give Rs 500 to Y using only Rs 100 and Rs 20 notes, with the condition that she has only 16 notes of Rs 20, and being asked to use the notes of both the denominations?

What is the area of a trapezium whose parallel sides are 12 cm and 16 cm and whose height is equal to that of an equilateral triangle of side√3cm?

Bucket A has thrice the capacity as bucket B. It takes 90 turns for bucket A to fill the empty drum. How many turn it will take for both the buckets A and B, with each turn together to fill the empty drum?