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Ruchika bought a book at a cost of Rs. 400. She sold it at 30% loss to Manisha. Manisha sold it to Lata at a profit of 20%. What was S.P. of Manisha?
1. 280
2. 356
3. 320
4. 336

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Correct Answer - Option 4 : 336

Given:

Ruchika’s C.P. = Rs. 400

Ruchika’s Loss% = 30%

Manisha’s Profit% = 20%

Formula used:

(i) Cost price × (100 + Profit%)/100 = Selling price

(ii) Cost price × (100 - Loss%)/100 = Selling price

Calculations:

C.P. of Ruchika × (100 ‐ Loss%)/100 × (100 + profit%)/100 = S.P. of Manisha

⇒ 400 × 70/100 × 120/100 = S.P. of Manisha = Rs. 336

∴ SP of Manisha was Rs. 336.

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