1. For admission in a graduation program in Delhi university, 90% of the candidates who appeared for the written test were males and the rest were females, 60% of the males and 80% of the females passed in the written test. What is the total number of students who appeared for the written test, if the total number of passed candidates was 1240 ? (2)
- (1) 2500
- (2) 2000
- (3) 2750
- (4) 3500
- (5) None of these
2. Three friends A, B and C started a venture with capitals in the ratio of 4 : 1 : 15. At the end of every quarter A halves his capital, while B doubles his capital and C leaves his capital untouched. This process is repeated till the end of the year. If at the end of the year B’s share of profit is Rs. 22,000, what is the total profit? (3)
- (1) 88,000
- (2) 1,10,000
- (3) 1,21,000
- (4) 99,000
- (5) None of these
3. One bag contains 5 white and 3 black balls and a second bag contains 2 white and 4 black balls. One ball is drawn from the first bag and placed unseen in the second bag. What is the probability that a ball now drawn from the second bag is black? (2)
- (1) 2/7
- (2) 5/8
- (3) 37/56
- (4) 25/48
- (5) None of these
4. The marked price of an article is 50% above cost price. When marked price is increased by 20% and selling price is increased by 20%. The profit doubles. If original marked price is Rs. 300, then original selling price is (2)
- (1) Rs. 200
- (2) Rs. 250
- (3) Rs. 240
- (4) Rs. 275
- (5) None of these
5. A publisher printed 2000 copies of a book at a cost of Rs. 70,000. He distributes 400 copies free as specimen copies. He gave 30% discount on marked price of each book which is Rs. 75. What is his gain or loss percent age? (1)
- (1) 20% gain
- (2) 20% loss
- (3) 10% loss
- (4) 10% gain
- (5) None of these