Since they are moving in same direction, so their relative speed = 6.75 - 4.75 = 2kmph So they will meet after every =distance/speed = 0.75 km / ( 2kmph) = 0.75 /2 hrs = 0.75/2 * 60 = 22.5 Minutes So among the given option , only 3 hrs means 180 min is a multiple of 22.5 min hence they will meet after 3 hrs.
A container has 80 liters of pure milk. 20 liters of milk is removed and replaced with 20 liters of water. Then, 20 liters of the new mixture is removed...
A person spends 40% of his income on rent, 30% on food, and 20% on education. If he saves ₹2000, what is his total income?
A mixture of 60 liters contains milk and water in the ratio 7:5. How much milk should be added to make the ratio 3:1?
125% of 88 ÷ 44 × 48 × 8 = ? × √125
A rectangular garden has a length of 100 cm. The ratio of the width of the garden to the side of a square flower bed is 5: 8. If the ratio of the perime...
Find the value of '2p + q'.
A and B can complete a piece of work in 12 days and 18 days, respectively. They start working together but A leaves after 6 days. How many more days wil...
What is the primary purpose of an operating system in a computer system?
A car travels 360 km in 4 hours. At the same speed, how far will it travel in 7 hours?
If sinθ = 3/5 and θ is an acute angle, find cos θ.