# APTITUDE QUIZ 18

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APTITUDE QUIZ

Q1. The ratio of three numbers is 3 : 4 : 7 and their product is 18144. The numbers are:

1. 9, 12, 21
2. 15, 20, 25
3. 18, 24, 42
4. 22, 36. 48

Q2. 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?

1. Rs. 500
2. Rs. 1000
3. Rs. 1500
4. Rs. 2000

Q3. In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is:

1. 100
2. 250
3. 260
4. 416

Q4. A ratio between two numbers is 3 : 4 and their L.C.M. is 180. The first number is:

1. 60
2. 45
3. 20
4. 15

Q5. The compounded ratio of (2:3), (6:11) and (11:2) is:

1. 2 : 1
2. 1 : 2
3. 36 : 121
4. 11 : 24

Q6. If 0.75 : x : : 5 : 8, then x is equal to:

1. 1.12
2. 1.25
3. 1.20
4. 1.30

Q7. The fourth proportional to 5, 8, 15 is:

1. 18
2. 19
3. 20
4. 24

Q8. In a carton containing a dozen mirrors is dropped, which of the following cannot be the ratio of broken mirrors to unbroken mirrors?

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

Q9. The speed of three cars in the ratio 5 : 4 : 6. The ratio between the time taken by them to travel the same distance is:

1. 5 : 4 : 6
2. 6 : 4 : 5
3. 12 : 15 : 10
4. 10 : 12 : 15

Q10. Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 28.8 kg of zinc has been consumed in it?

1. 58 kg
2. 60 kg
3. 64 kg
4. 70 kg

Q11. 20 litres of a mixture contains milk and water in the ratio 5 : 3. If 4 litres of this mixture be replaced by 4 litres of milk, the ratio of milk to water in the new mixture would be:

1. 2 : 1
2. 4 : 3
3. 8 : 3
4. 7 : 3

Q12. 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?

1. Rs. 500
2. Rs. 1000
3. Rs. 1500
4. Rs. 2000

Q13. Two whole numbers whose sum is 72 cannot be in the ratio?

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

Q14. The price of a scooter and a T.V. are in the ratio 7 : 5. If the scooter costs Rs. 8000 more than a T.V. set, then the price of a T.V. set is:

1. Rs. 20,000
2. Rs. 24,000
3. Rs. 28,000
4. Rs. 32,000

Q15. If 76 is divided into four parts proportional to 7, 5, 3, 4 then the smallest part is:

1. 12
2. 15
3. 16
4. 19

Q16. 60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, then the amount of tin in the new alloy is:

1. 36 kg
2. 40 kg
3. 44 kg
4. 53 kg

Q17. The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is:

1. 20
2. 40
3. 60
4. 80

Q18. In a ratio, which is equal to 3 : 4, if the antecedent is 12, then the consequent is:

1. 6
2. 9
3. 16
4. 10

Q19. If 76 is divided into four parts proportional to 7,5,3,4 then the smallest part is:

1. 12
2. 15
3. 16
4. 19

Q20. If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is:

1. 2 : 3
2. 3 : 4
3. 3 : 20
4. 20 : 3

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