Questions by Uma Maheswari

Find the angle between hands of clock at 2:30 p.m in degress

Car A left from X for Y at 9:00 a.m.Car B left from Y to X at 10:00 a.m.XY=180 km.Speed of A and B are 30 and 20 kmph respectively.Find their meeting time

Ravi's salary before he got an increment was 20% of total income of of his family.His increment was one fourth of his salary after increment.What percentage of total inco...

X,Y and Z are 3 quantities.X varies inversely with Y when z is constant.Y varies inversely with Z when X is constant.When Y=8,Z=7 and X=30.Find X if Y=16 and Z=21

A coin is tossed 10 times Find the probablity of obtaining head at least once

The number of squares that can be formed from 8x8 chess board

The number of rectangles that can be formed on a 8x8 chessboard

Find the number of ways of inviting atleast one among 6 people to a party?

The number of ways of arranging 10 books on a shelf such that 2 particular books are always together is

How many 3 letter words can be formed from word PRACTICES?