Important Questions of Ratio and Proportion Quantitative Aptitude | Zigya

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71.

A sum of ₹ 300 is divided among P, Q and R in such a way that Q gets ₹ 30 more than P and R gets ₹ 60 more than Q. The ratio of their shares is

  • 2 : 3 : 5

  • 3 : 2 : 5

  • 2 :  5 : 3

  • 5 : 3 : 2

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72.

A person distributes his pens among four friends A, B, C and D in the ratio 1 third space colon space 1 fourth space colon space 1 fifth space colon space 1 over 6. What is the minimum number of pens that the person should have?

  • 75

  • 45

  • 57

  • 65

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73.

A, B, C and D purchase a gift worth ₹ 60. A pays 1/2 of what others are paying, B pays 1/3rd of what others are paying and C pays 1/4 of what others are paying. What is the amount paid by D?

  • 14

  • 15

  • 16

  • 13

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74.

The third proportional to
       open parentheses straight x over straight y space plus space straight y over straight x close parentheses space space and space square root of straight x squared space plus space straight y squared end root space is

  • xy

  • square root of xy

  • cube root of xy

  • fourth root of xy

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75.

The ratio of monthly incomes of A, B is 6 : 5 and their monthly expenditure are in the ratio 4 : 3. If each of them saves ₹ 400 per month. Find the sum of their monthly incomes.

  • ₹ 2300

  • ₹ 2400

  • ₹ 2200

  • ₹ 2500

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76.

₹ 700 is divided among A, B, C in such a way that the ratio of the amounts of A and B is 2 : 3 and that of B and C is 4 : 5. Find the amounts (in ₹) each received, in the order A, B, C.

  • 150,  250,  300

  • 160,  240,  300

  • 150, 250, 290

  • 150, 240, 310

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77.

A and B have together three times what B and C have, while A, B, C together have ₹ 30 more than that of A. If B has 5 times that of C, then A has

  • ₹ 60

  • ₹ 65

  • ₹ 75

  • ₹ 45

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78.

If 3 over 7 straight P space equals space 4 over 11 straight Q comma  then what is the ratio of P and Q respectively?

  • 12 : 77

  • 12 : 33

  • 28 : 33

  • 3 : 28


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79.

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

  • 20

  • 10

  • 5

  • 15


80.

Two labourers A and B are paid a total of ₹ 650 per day. If A is paid 160% of what is paid to B, how much (in ₹) is B paid?

  • ₹ 250/-

  • ₹ 400/-

  • ₹ 350/-

  • ₹ 450/-


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