1. The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries? (3)
- 1. 3 : 3 : 10
- 2. 10 : 11 : 20
- 3. 23 : 33 : 60
- 4. Cannot be determined
2. If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number? (3)
- 1. 2 : 5
- 2. 3 : 7
- 3. 5 : 3
- 4. 7 : 3
3. The fourth proportional to 5, 8, 15 is: (2)
- 1. 18
- 2. 24
- 3. 19
- 4. 20
4. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is: (2)
- 1. 27
- 2. 33
- 3. 49
- 4. 55
5. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there? (3)
- 1. 50
- 2. 100
- 3. 150
- 4. 200