Ratio and proportion Online Quizzes - Section 5

1. What is 4th proportional in 9, 13 and 153?

1. 251
2. 221
3. 181
4. 175

2. Ratio of two numbers is 3:8. On adding 5 to both numbers, the ratio becomes 2:5. Which is the smaller number out of the two?

1. 64
2. 45
3. 120
4. 105

3. The 3rd proportional to 18 and 54 is?

1. 144
2. 72
3. 972
4. 162

4. 285 is summation of 3 numbers. Ratio between 2nd and 3rd numbers is 6:5. Ratio between 1st and 2nd numbers is 3:7. The 3rd number is?

1. 135
2. 105
3. 150
4. 124

5. Which of the following two ratios is greater 17:18 and 10:11?

1. 10/11
2. 17/18
3. Cannot determine
4. Both are same

6. Two numbers are in the ratio of 6 : 8. If 10 is subtracted from each, the new numbers are in the ratio 16 : 32. Find the smaller number.

1. 22
2. 15
3. 12
4. 38

7. It was intended that Rs. 585 be divided among P, Q and R in the ratio of 4 : 3 : 2, but by mistake the distribution was made in the proportion of 1/4 : 1/3 : 1/2. How much does 'R' gain by the error ?

1. Rs. 99
2. Rs. 140
3. Rs. 126
4. None of these

8. If a : b : : 3 : 5, b : c : : 4 : 3 and c : d : : 4 : 5, a : d = ?

1. 4 :5
2. 64 : 25
3. 16 : 25
4. 64 : 125

9. By giving Rs. 50 to M, A would have the amount equal to what M had earlier. If the sum of the amounts with A and M is Rs. 650. What is the ratio of the amount with A to that with M earlier?

1. 7 : 4
2. 5 : 3
3. 7 : 6
4. 2 : 1

10. By giving Rs. 50 to M, A would have the amount equal to what M had earlier. If the sum of the amounts with A and M is Rs. 650. What is the ratio of the amount with A to that with M earlier?

1. 7 : 4
2. 5 : 3
3. 7 : 6
4. 2 : 3