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The fourth proportional to 10, 12, 15 is...

The fourth proportional to 10, 12, 15 is:
10, 12, 15 का चौथा आनुपातिक है:

A

24

B

22

C

18

D

20

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  10. When 50% of a number A is added to B, the second number B increases by...

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  12. The average age of a man and his son is 60 years. The ratio of their a...

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  13. Two numbers A and B are, respectively, 80% and 20% more than a third n...

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  14. The perimeter of a rectangular field is 32 meters and its sides are in...

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  15. The ages of Fatima and Ahmed are in the ratio of 3:8. The sum of their...

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  16. How much should be added to each term of 4:7 so that it become 2:3 4...

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  17. The perimeter of a rectangle is 50 cm. Its area and length are in the ...

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  18. The average price of three items is Rs14,265. If their prices are in t...

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  19. The length and breadth of a rectangle are in the ratio 5 : 3. If the l...

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  20. The length and breadth of a rectangle are in ratio 3:2. If its perimet...

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