1. Eleven years earlier the average age of a family of 4 members was 28 years. Now the age of the same family with six members is yet the same, even when 2 children were born in this period. If they belong to the same parents and the age of the first child at the time of the birth of the younger child was same as there were total family members just after the birth of the youngest member of this family, then the present age of the youngest member of the family is (1)
- (1) 3 years
- (2) 5 years
- (3) 6 years
- (4) Can’t be determined
- (5) None of these
2. There is a vessel holding 40 litres of milk. 4 litres of milk is initially taken out form the vessel and 5 litres of water is poured in. After this, 5 litres of the mixture from this vessel is replaced with 6 liters of water. And finally 6 litres of mixture from this vessel is replaced with 7 liters of water. How much of the milk (in litres) is there is the vessel now? (2)
- (1) 22.42
- (2) 27.09
- (3) 24.72
- (4) 29.42
- (5) None of these
3. Shobha’s Mathematics test had 75 problems i.e., 10 Arithmetic, 30 Algebra and 35 geometry problems. Although she answered 70% of the Arithmetic, 40% of the Algebra and 60% of the geometry problems correctly. She did not pass the test because she got less than 60% of the problems right. How many more questions she would have needed to answer correctly to earn a 60% passing grade? (2)
- (1) 4
- (2) 5
- (3) 6
- (4) 7
- (5) None of these
4. A shopkeeper bought 150 calculators at the rate of Rs. 250 per calculator. He spent Rs. 2500 on transportation and packing. If the marked price of the calculator is Rs. 320 per calculator and the shopkeeper gives a discount of 5% on the marked price then what will be the percentage profit gained by the shopkeeper? (2)
- (1) 20%
- (2) 14%
- (3) 15%
- (4) 16%
- (5) None of these
5. A person bought two clocks. The cost price of one of them exceeds the cost price of the other by 1/4th. He sold the dearer one at a gain of 10% and the other at a gain of 7.5% and thus got Rs. 98 in all as S.P. find the cost price of the cheaper one. (1)
- (1) Rs. 40
- (2) Rs. 50
- (3) Rs. 30
- (4) Rs. 60
- (5) None of these