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The average human heart beats at 72 time...

The average human heart beats at 72 times per minute. How many times does it beat in 15 seconds? How many in an hour?

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NCERT TELUGU-RATIO- APPLICATIONS-EXERCISE
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  3. The average human heart beats at 72 times per minute. How many times d...

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  8. If a road roller makes 150 turns to cover 750 m of distance, how many ...

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  9. If a:b = 3:4 and b:C = 5:6 find a:b:c.

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  10. Additional Bits: Are 3,5,15,25 in proportion if not, arrange them.

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  11. Additional Bits: 16: square::8:9, square = .

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  12. Additional Bits: 5:7 :: 15: square, square = .

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  13. Additional Bits : 48:12 = 12: x, then x= .

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  14. Additional Bits: 34 : 7 :: 544: square, square= .

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  15. Additional Bits: 5 : 80 :: square: 2000, square= .

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  16. In a school X,48 students appeared for 10th class exam out of which 36...

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