हिंदी

Find the ratio compounded of the reciprocal ratio of 15 : 28, the sub-duplicate ratio of 36 : 49 and the triplicate ratio of 5 : 4.

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प्रश्न

Find the ratio compounded of the reciprocal ratio of 15 : 28, the sub-duplicate ratio of 36 : 49 and the triplicate ratio of 5 : 4.

योग
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उत्तर

Reciprocal ratio of 15 : 28 = 28 : 15

Sub-duplicate ratio of 36 : 49

= `sqrt(36) : sqrt(49)`

= 6 : 7

Triplicate ratio of 5 : 4

= 53 : 43

= 125 : 64

Required compounded ratio

= `(28 xx 6 xx 125)/(15 xx 7 xx 64)`

= `25/8`

= 25 : 8

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अध्याय 7: Ratio and Proportion (Including Properties and Uses) - Exercise 7 (A) [पृष्ठ ८८]

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सेलिना Concise Mathematics [English] Class 10 ICSE
अध्याय 7 Ratio and Proportion (Including Properties and Uses)
Exercise 7 (A) | Q 29. | पृष्ठ ८८

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