Instructions

For the following questions answer them individually

Question 11

X and Y are running towards each other from their houses. X can reach Yâ€™s house in 25 minutes which is half the time taken by Y to run from his house to Xâ€™s house. If the two start to run towards each otherat the same time, then how much more time it will be required by Y to reach the middle of houses ?

Question 12

25,000/- is borrowed at compound interest at the rate of 3% for first year, 4% for $$2^{nd}$$ year and 5% for $$3^{rd}$$ year. Find the amount to be paid after 3 years.

Question 14

A shopkeeper marks his books at 25% above the cost price. Due to slump in the market, his cost reduces by 5%. And then,to boost his sale, he offered a discount of 8% due to which sales goes up by 25%. Compute the change in the shopkeepers profit.

Question 15

Brother and sister both appear for an interview. The probability of the selection of brother is $$\frac{1}{8}$$ while the probability of rejection of sister is $$\frac{4}{5}$$ What is the probability that only one of them is selected ?

Question 16

Tom's salary is 150% of Johnâ€™s salary. Johnâ€™s salary is 80% of Steveâ€™s salary. What is the ratio of Steve's salary to Tomâ€™s salary ?

Question 17

There are six teachers. Out of them, two teach physics, other two teach Chemistry and the rest two teach Mathematics. They have to stand in a row such that Physics, Chemistry and Mathematics teachers are always in a set. The numberof ways in which they can do, is :

Question 18

Five years ago, the average age of A,B,C and D was 45 years. By including X in the present lot their present average changes to 49 years. What is the present age of X?

Question 19

Which of the following sets of numbers can be used as the lengths of the sides of a triangle ?

Question 20

In how many different ways, can the letters of the words EXTRA be arranged so that the vowels are never together ?