Ask Your Questions

How to increase the speed in number system problem

Could anyone please explain the last example given at the end of "Introduction to Quadratic equations" video. It is a graph based question asking for the appropriate equation explaining the graph given.

Hello,

Q) Ram and Shyam are competing with each other in a friendly community competition in a pool of 50 m length and the race is for 1,000 m. Ram crosses 50 m in 2 min and Shyam in 3 min 15 s. Each time they meet/cross each other, they do handshake’s. How many such handshake’s will happen? (They both start from the same end at the same time.) options: a)18 b)19 c)23 d)20 e)17

find the remainder when 7^99 is divided by 101

In a kilometer race, A beats B by 1 minute. In the same race, B beats C by 30 seconds. If A beats C by 600 m, find the ratio of speeds of A and B. Please share you approach.

A boy travelled half the distance from his house to school at a speed of 10 km/hr. For exactly half of the remaining time he travelled at 15 km/hr and the rest of the time at 20 km/hr. Find his average speed. Options: A) 13 km/hr B) 140/11 km/hr C) 15 km/hr D) 97/6 km/hr

I want to know how to calculate term coefficients

The maximum distance illuminated by a candle decreases uniformly from 9 metres at the start to 1 metre at the end of four hours. A new candle is lighted at the centre of a large room, what is the area of the portion initially lighted which goes dark after 2 hours?

In a triangle XYZ, the external angle bisector of angle X and the internal bisector of angle Y meet at W. If angle XZY is 50 degrees, what is angle XWY?