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प्रश्न
If `4/5` of an estate is worth Rs. 42,000, find the worth of the whole estate. Also, find the value of `3/7` of it.
योग
उत्तर
`4/5` of an estate = Rs. 42,000
∴ Total value of estate = Rs. `42","000 xx 5/4`
= Rs. 10,500 × 5 = Rs. 52,500
and value of `3/7` of it = `3/7` of its value
`= 3/7 "of" 52","500 = 3/7 xx 52","500`
= 3 × 7500 = 22,500
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