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Environment ministers from fifty-four African countries have acknowledged key environmental challenges faced by the continent — land degradation, desertification and drought – in the Addis Ababa declaration.
If a car runs at 30 km/hr, it reaches its destination late by 15 minutes but if runs at 45 km/hr it is late by 7 minutes. What is the correct time for t...
A, B, and C are working together on a project. A can complete the project alone in 15 days, B in 20 days, and C in 30 days. On the first day, A, B, and ...
Person 'A' left the college at 7 PM at 65% of the original speed. After 30 minutes, he reached the grocery store, picked up a bag...
Two person A and B from same distance with speed time and same direction with speed of 48km/hr and 40km/hr .The speed of person B increased by ½ ...
A thief stole Mayank’s purse and the theft is reported at 10 am and police started chasing the thief at 1:00pm. How much time the police took to c...
Two cars ‘Alto’ and ‘Swift’ starts at the same time from Dehradun and from Delhi, individually towards each other at a speed of 40 km/hr and 30 ...
A man travels to his destination in 8 hours at his normal speed. If his speed decreases by (1/10) , he travels 40 km less in the same time. Determine hi...
The speed of an electric car is 100 km/h, taking 7 hours to traverse a distance. A bus takes 5 hours to cover the same distance. If the electric car's s...
The speed of a car is 30% more than that of a bike. Both of them start from a same point. After travelling for 4 hours, the speed of the bike is increas...