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Thursday, 12 October 2017

learn Math trick ( लाभ – हानि )

Math trick ( लाभ – हानि )

Q. एक वस्तु को 575 रूपये में बेचने पर जितना लाभ होता हैं उतनी ही हानी उसे 385 रूपये में बेचने से होती हैं उस वस्तु का क्रय मुल्य कितना हैं।
उत्तर – पहले मुल्य को x मानने पर ओर दुसरे मुल्य को y मानने पर
x = 575
y = 385
Trick लगाने पर
क्रय मुल्य = (x y) /2
= (575 385)/2
= 960/2
= 480 रूपये उत्तर
नोट- प्रश्न की पहचान जितना लाभ होता हैं उतनी ही हानि

Math trick (profit – loss)

Q. gain as a commodity is selling at Rs 575 to Rs 385 in the sale are the same loss of the object are much price purchasing.
North – the first price and second price x s y to agree to agree
x = 575
y = 385
Trick to find
Purchase price = (x y) / 2
= (575 385) / 2
= 960/2
= 480 rupees reply
Note: Questions are identified as much harm as benefit.

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