1. A supply of juice lasts for 35 days. If its use is increased by 40% the number of days would the same amount of juice lasts, is (3)
- (1) 30 days
- (2) 27 days
- (3) 25 days
- (4) 24 days
- (5) None of these
2. The expenses on rice, fish and oil of a family are in the ratio 12 : 17 : 3. The prices of these articles are increased by 20%, 30% and 50% respectively. The total expenses of the family of these articles are increased by: (4)
- (1) 113/8%
- (2) 57/8%
- (3) 449/8%
- (4) 225/8%
- (5) None of these
3. The ratio of the ages of Ajay and Vijay is 3 : 4. After 5 years, the new ratio of their ages will be 4 : 5. What is the age of Vijay at present? (3)
- (1) 15 years
- (2) 18 years
- (3) 20 years
- (4) 24 years
- (5) None of these
4. The age of a man 10 years ago was thrice the age of his son. Ten years hence, the man’s age will be twice that of his son. The ratio of their present ages is: (3)
- (1) 13 : 4
- (2) 9 : 2
- (3) 7 : 3
- (4) 5 : 2
- (5) None of these
5. The sum of the ages of five children born at the intervals of 3 years is 50. Find the age of younger child. (1)
- (1) 4 years
- (2) 8 years
- (3) 10 years
- (4) 12 years
- (5) None of these