Instructions

For the following questions answer them individually

Question 31

The cost price of item B is Rs. 150/- more than the cost price of item A. Item A was sold at a profit of 10% and item B was sold at a loss of 20%. If the respective ratio of selling prices of items A and B is 11 : 12, what is the cost price of item B?

Question 32

A vessel contains a mixture of milk and water in the respective ratio of 10 : 3. Twenty-six litre of this mixture was taken out and replaced with 8 litre of water. If the resultant respective ratio of milk and water in the mixture was 5 : 2, what was the initial quantity of mixture in the vessel ? (in litre)

Instructions

What approximate value will come in place of the question mark(?) in the given questions ? (You are not expected to calculate the exact value

Instructions

For the following questions answer them individually

Question 38

There are 6 consecutive odd numbers. The difference between the square of the average of the first three numbers and the square of the average of the last three numbers is 288. What is the last odd number ?

Question 39

In a bag, there are 6 red balls and 9 green balls. Two balls are drawn at random, what is the probability that at least one of the balls drawn is red ?

Instructions

Refer to the bar graph and answer the given questions. Data related to the number of students enrolled for a vocational course in two institutes (A and B) during 5 years

Question 40

What is the difference between average number of students enrolled in institute A in 2009 and 2010 and that in institute B in 2011 and 2012 ?

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