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Question
Huma, Hubna and Seema received a total of Rs. 2,016 as monthly allowance from their mother such that Seema gets `1/2` of what Huma gets and Hubna gets `1 2/3` times Seema’s share. How much money do the three sisters get individually?
Solution
Seema gets allowance = `1/2` of Huma’s share
Hubna gets allowance = `1 2/3` of Seema’s share
= `5/3` of Seema’s share
= `5/3` of `1/2` of Huma’s share ...[∵ Seema’s share = `1/2` of Huma’s share]
= `5/3 xx 1/2` of Huma’s share
= `5/6` of Huma’s share
But Huma, Hubna and Seema received total monthly allowance from their mother = ₹ 2016
∴ Huma’s share + Hubna’s share + Seema’s share = ₹ 2016
1 of Huma’s share + `5/6` of Huma’s share + `1/2` of Huma’s share = ₹ 2016
So, `(1 + 5/6 + 1/2)` of Huma’s share = ₹ 2016
⇒ `((6 + 5 + 3)/6)` of Huma’s share = ₹ 2016
⇒ `14/6` of Huma’s share = ₹ 2016
∴ Huma’s share = ₹ `2016 ÷ 14/6`
= ₹ `2016 xx 6/14`
= 144 × 6
= ₹ 864
So, Seema’s share = `1/2` of 864
= `1/2 xx 864`
= ₹ 432
And share = `5/6` of 864
= 5 × 144
= ₹ 720
Hence, Huma, Hubna and Seema get ₹ 864, ₹ 432 and ₹ 720, respectively.
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