MIT KBC Ratio and Proportion

1. A, B and C play cricket. The ratio of the runs scored by A and B is 3 :4. The ratio of the runs scored by B and C is 3:4. Together, they score 259 runs. How many runs did A make?

• 63
• 81
• 117
• None of these

2. A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?

• Rs. 500
• Rs. 1500
• Rs. 2000
• None of these

3. Seats for Mathematics and Physics are in the ratio 4 : 9 and Physics to Chemistry is 3: 8. Find the ratio of seats of Mathematics :Physics :Chemistry?

• 4 : 3 : 24
• 6 : 7 : 8
• 12:27:16
• None of these

4. The ratio of the number of boys and girls in a college is 7 : 8. If total number of students is 225. Find the number of girls in college.

• 115
• 120
• 135
• 105

5. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's revised salary?

• Rs. 17,000
• Rs. 20,000
• Rs. 25,500
• Rs. 38,000

6. If 0.75 : x :: 5 : 8, then x is equal to:

• 1.12
• 1.2
• 1.25
• 1.30

7. If Rs. 782 be divided into three parts, proportional to 1/2:2/3:3/4, then the first part is:

• Rs. 182
• Rs. 190
• Rs. 196
• Rs. 204

8. The fourth proportional to 5, 8, 15 is:

• 18
• 24
• 19
• 20

9. 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:

• 27
• 33
• 49
• 55

10. 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?

• 50
• 100
• 150
• 200