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Start learning 50% faster. Sign in nowGiven, 4th number:5th number = 2:3 Let, 4th number = 2x 5th number = 3x So, 3x – 2x = 10 Or, x = 10 Required average = {(50 + 10 × 2 + 10 × 3)/5} = (100/5) = 20
A policeman saw a thief from a distance of 450 m. When the policeman started chasing him, the thief also started running. The ratio of speeds of the th...
The speed of two cars A and B are in the ratio of 10:13 respectively. Car A travels 18 km less than the car B in the same time duration. What was the di...
Priya needs to travel from town 'X' to town 'Y'. If she drives at a steady speed of 60 km/h, she arrives 36 minutes early. However, if she drives at 40 ...
A train is travelling at the rate of 45km/hr. How many seconds it will take to cover a distance of 4/5km?
A wheel has a diameter of 28 meters and rotates at a speed of 25 revolutions per minute. How much distance will the wheel travel in 32 minutes?
Identify the cases where two objects moving in opposite directions have a relative speed of 30 km/h.
A car travels at a speed of 60 km/h for the first 2 hours, then at 80 km/h for the next 3 hours, and finally at 100 km/h for the last 1 hour. What is th...
Sheetal rides a bike at an average speed of 40 kmph and reaches her destination in 5 hours. Hemlata covers the same distance in 4 hrs. If Sheetal increa...
Two trains X and Y start at the same time in the opposite direction from two points P and Q and arrive at their destinations 100 and 81 hours respective...
A man running with the speed of 65 km/hr covers a certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 70 km/h in (x...
