RRB NTPC Mains or Stage 2 Model Paper 4 with solutions

Question : 30 of 120

Marks: +1, -0

By selling 33 metres of cloth, a man gains the sale price of 11 metres. The gain % is

Solution:

(a) Gain = S.P. of 33 metres – C.P. of 33 metres= S.P. of 11 metres
⇒ S.P. of 22 metres = C.P. of 33 metres

∴% gain {gain }/{C.P.of metres}×100

={S.P.of 11 metres}/{C.P. of 33 metres}× 100

= {S.P.of 11 metres} /{S.P. of 22 metres}×100 =11/22 ×100

= 50%

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