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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?

7 different balls in 7 diff boxes (each with max 2 balls). No. of ways is a. 7 similar boxes with 7 diff balls (each with max 1 ball). No. of ways is b. What is a/b?

if x+y+z=6 , and x>0 , y>0 , z>0 then find the maximum value of x*y^3*z^2