Elitmus Exam

Heinz produce tomato pure by boiling tomato juice.The tomato pure has only 20% water while the tomato juice has 90% water.How many litres of tomato pure can be obtained by 20 litres of tomato juice.
A)2
B)2.4
C)2.5
D)6

Read Solution (Total 6)

Elitmus Other Question

Find the no of ways in which you can fill 3*3 grid(with 4 corners defined as a,b,c,d) if you have 3 white marbles and 6 black marbles.
A)9C3
B)5C3
C)9C3+6C3
D)(9C3+5C3)/3!
Abhishek and Aishwarya picked up a ball at random from a bag of M red colour and N yellow coloured balls,one after the another, replacing the ball every time till one of them gets a red ball.The first one to get a red ball is declared as a winner.IF Abhishek wins the game and odds in favour of his winning the game is 3/2 find the ratio of M/N
A)1:1
B)1:2
C)2:3
D)3:2
(Asked in ELitmus held on June 23,2013)