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If a bus travels 126km in 3 hours and a train travels 315km in 5 hours, then the ratio of their speeds is: (a) 2:5       (b)  2:3       (c)  5:2        (d)   25:6

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RD SHARMA-RATIO, PROPORTION AND UNITARY METHOD-All Questions
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  3. If a bus travels 126km in 3 hours and a train travels 315km in 5 hou...

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  5. Length and width of a field are in the ratio 5:3. If the width of a...

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  6. If 57 : x=51 : 85 , then the value of x is: 95 (b) 76 (c) 114 (d...

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  7. The ratio of boys and girls in a school is 12:5. If there are 840 g...

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  9. If 5:4 30 : x , then the value of x is 24 (b) 12 (c) 3/2 (d)...

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  11. If a ,\ b ,\ c are in proportion, then (a) a^2=b c (b) b^2=a c (...

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  12. If the cost of 5 bars of a soap is Rs. 30, then the cost of one doze...

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  13. 12 men can finish a piece of work in 25 days. The number of days in ...

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  14. If the cost of 25 packets of 12 pencils each is RS. 750, then the co...

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  15. If a ,\ b ,\ c are in proportion, then (a) a : b :: b : c (b) a :...

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  16. If a=2b ,\ then a : b= 2:1 (b) 1:2 (c) 3:4 (d) 4:3

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  17. If 4:3=x^2: 12 , then the value of x\ (x >0)dot 16 (b) 4 (c) 9 ...

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  18. If x : y=2:3\ a n dy : z=2:3,\ then x : z= 2:3 (b) 3:4 (c) 5:7...

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  19. If 80 : 60=x : 12 , then x= 16 (b) 7 (c) 24 (d) 50

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  20. Two numbers are in the ratio 3:5 and their sum is 96. The larger nu...

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