Quants : Mix Quiz

1.Nitish purchased a TV set for Rs.15,750 after getting 10% discount on the labelled price. He spent Rs.100 on transportation and Rs.850 on installation. At what price should he sell it so that the profit earned would be 15%?
1 : Rs.24045
2 : Rs.23205
3 : Rs.22325
4 : Rs.19205
5 : None of these

2.The compound interest on a certain sum of money at 12% per annum for two years is more than the simple interest on the same sum at the same rate of interest for two years by Rs.8640. Find the sum.
1 : Rs.3 lakh
2 : Rs.12 lakh
3 : Rs.6 lakh
4 : Rs.1.5 lakh
5 : None of these

3.The total age of a large family of 15 members is 420 years. The average age of five elder members is 45 years. The average age of five younger members is nine years. What is the average age of the remaining five members?
1 : 20 years
2 : 25 years
3 : 30 years
4 : 35 years
5 : None of these

4.In an exam, pass percentages for juniors and seniors are 30% and 35% respectively. Maximum marks for both juniors and seniors are the same. A junior scored 467 marks and failed by 133 marks. Find the pass mark for seniors?
1 : 630
2 : 700
3 : 665
4 : 735
5 : None of these

5.Work done by P in one day is double the work done by Q in one day and work done by Q in one day is thrice the work done by R in one day. If P, Q and R together can complete the work in 30 days then in how many days P alone can do the work?
1 : 55 days
2 : 45 days
3 : 35 days
4 : 40 days
5 : 50 days