Mathematics MCQs

Page No. 88

In what ratio should the profit of Rs.8000 be divided if X starts a business with an investment of Rs. 20000, Y invests Rs.7500 for 4 months and Z invests Rs.15000 after 3 months from the start of the business.


a16 : 2 : 3

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b8 : 3 : 6

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c16 : 2 : 9

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d6 : 9 : 1

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View Answer 16 : 2 : 9

The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²


a54 cm

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b27 cm

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c12 cm

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d15 cm

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View Answer 54 cm

The plan for a rectangular area is drawn to a scale of 1:500. If the length and breadth in the plan is 30 cm and 20 cm, find the actual area.


a1200 m²

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b1500 m²

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c12000 m²

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d15000 m²

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View Answer 15000 m²

The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.


a15

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b10

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c8

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d5

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View Answer 10

If X:Y = 2:3, Y:Z = 4:5. Find X:Y:Z.


a2:3:5

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b8:12:15

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c2:8:5

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d2:7:5

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View Answer 8:12:15

Find the mean proportion between 5 and 45.


a9

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b15

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c25

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d50

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View Answer 15

Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.


a2

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b3

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c5

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d6

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View Answer 2

A bag contains 50 paise, 1 rupee and 2 rupee coins in the ratio 2:5:8. If the total amount is Rs. 352, find the total number of coins in the bag.


a160

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b250

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c250

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d240

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View Answer 240

In what ratio should the profit be divided if M, N, O invests capital in ratio 2:3:5 and their timing of their investments are in the ratio 4:5:6.


a8:15:30

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b5:18:28

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c4:5:6

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d2:3:5

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View Answer 8:15:30

Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?


a19

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b20

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c21

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d22

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View Answer 21

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