1. The average age of a man and his son is 45 years. The ratio of their ages is 5 : 1. What is the difference between the ages of the man and his son? (2)
- (1) 40 years
- (2) 60 years
- (3) 55 years
- (4) 45 years
- (5) None of these
2. The difference between 41% of a number and 15% of the same number is 390. What is 33% of the number? (2)
- (1) 360
- (2) 495
- (3) 490
- (4) 150
- (5) 395
3. The inner diameter of a well is 18meters. If the well is 28 metres deep then what is its volume? (3)
- (1) 7218 m3
- (2) 7282 m3
- (3) 7128 m3
- (4) 7028 m3
- (5) None of these
4. If a commission of 10% is given on MP of book, the publisher gains 20% if the commission is increase to 15% the gain % is? (1)
- (1) 40/3
- (2) 10
- (3) 20
- (4) 15
- (5) None of these
5. A takes 2 hr more than B to walk D km. If A double his speed than he can make it in 1 hr less than B. How much time does B require for walking D km? (1)
- (1) 4 hr
- (2) 1 hr
- (3) 2.5 hr
- (4) 1.5 hr
- (5) 3 hr