Quiz  /  Ratio and proportion Defence MCQ Questions With Answers

  • 1. 
    The ratio of A to B is 4 : 5 and that of B to C is 2 ∶ 3. If A equals 800, then C equals:

  • 1200
  • 1500
  • 2000
  • 1000

  • 2. 
    If 10% of m is the same as 20% of n, then m : n is equal to:

  • 2 : 1
  • 1 : 20
  • 1 : 5
  • 1 : 10

  • 3. 
    An amount of Rs. 7200 is divided. The ratio of amount received by A ∶ B = 3 ∶ 1, B ∶ C = 1 ∶ 2 and C ∶ D = 2 ∶ 3. Find the amount received by (B + C).

  • Rs. 2000
  • Rs. 2400
  • Rs. 3400
  • Rs. 1600

  • 4. 
    In a college, the number of students studying English is 600 and the number of students studying Economics is 1/3 of studying English. If the total number of students studying English increased by 25% and the number of students studying Economics decreased by 10%, Find the ratio between them.

  • 10 : 21
  • 7 : 20
  • 25 : 6
  • 29 : 10

  • 5. 
    Three numbers are 20%, 120%, and 240% more than a fourth number. Find the ratio of the three numbers?

  • 4 : 11 : 15
  • 9 : 3 : 14
  • 6 : 11 : 17
  • 8 : 7 : 9

  • 6. 
    P, Q, R, and S started a business with the investment are in a ratio 4 : 5 : 6 : 7. As Q and R they were paid equal salaries. The ratio of Q's and R's total annual income is 9 : 10. If the total annual profit is 84000, What is Q's salary?

  • 10,200
  • 11,200
  • 12,200
  • 13,200

  • 7. 
    A's wealth is 8/9 times of B's and C's is 12/9 times of B's. What is the ratio of C's wealth to A's?

  • 4: 9
  • 3: 5
  • 3: 2
  • 4: 5

  • 8. 
    Which of the following pair has the same ratio as 1180 : 1652?

  • 875 : 1400
  • 1260 : 900
  • 625 : 875
  • 900 : 1200

  • 9. 
    If a = (1/5)b, b = (3/7)c, then find the a : b : c.

  • 3 : 5 : 9
  • 1 : 5 : 7
  • 3 : 15 : 35
  • 1 : 4 : 57

  • 10. 
    Rs. 9900 is divided among X, Y and Z in the ratio of 2 : 3 : 7. Find the share of Y.

  • Rs. 2145
  • Rs. 2475
  • Rs. 4357
  • Rs. 3490

  • 11. 
    If the ratio between two numbers is 5 : 9, if 8 is subtracted from each, then the ratio become 1 ∶ 2, then the smallest number is

  • 45
  • 40
  • 20
  • 25

  • 12. 
    If A : B = 3 : 2 and B : C = 3 : 4 then A : C is equal to:

  • 2 : 3
  • 1 : 2
  • 4 : 5
  • 9 : 8

  • 13. 
    The income of A and B are in ratio 12 : 13, and expenditure of A and B are in the ratio 25 : 26, then what is the ratio of income and expenditure of B if saving of A and B are equal?

  • 1 : 1
  • 1 : 2
  • 1 : 3
  • 1 : 4

  • 14. 
    The sum of three number is 98. If the ratio between the first and second be 2 : 3 and that between the second and third be 5 : 8, then find the second number.

  • 10
  • 20
  • 30
  • 40

  • 15. 
    If the product of three numbers is 30,870 and the numbers are in the ratio 2 : 5 : 9, then the largest of them is?

  • 7
  • 14
  • 63
  • 35

  • 16. 
    If 4P = 5Q = 3R; then what is the ratio P: Q: R?

  • 18: 15: 13
  • 15: 12: 20
  • 19: 17: 13
  • 23: 18: 14

  • 17. 
    If 7 times of q is equal to p and 3 times of q is equal to r, then find the ratio of p ∶ q ∶ r.

  • 7 ∶ 1 ∶ 3
  • 1 ∶ 5 ∶ 7
  • 1 ∶ 3 ∶ 7
  • 7 ∶ 3 ∶ 1

  • 18. 
    The incomes of A, B and C are in the ratio 7 ∶ 9 ∶ 12 and their expenditures are in the ratio 8 ∶ 9 ∶ 15. If A's saving is one-fourth of his income, then the ratio of savings of A, B and C is

  • 56 ∶ 99 ∶ 69
  • 99 ∶ 56 ∶ 69
  • 69 ∶ 56 ∶ 99
  • 99 ∶ 69 ∶ 56

  • 19. 
    Ram distributed a certain number of toffees among his sisters Rita, Sonali, and Sona in the ratio 3 : 3 : 7. Sona distributed the toffee that he received among his friends Raju, Rohan, and Ratan in the ratio 1 : 3 : 4 respectively. If Raju received 28 toffees. How many toffees distributed by Ram?

  • 516
  • 416
  • 216
  • 316

  • 20. 
    If s : t = 6 : 7, then (4s + 4t)/(4s - 4t) is equal to

  • - 13
  • 14
  • 15
  • 16
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