chini ke bhav mein 10 percent Kami hone par 140 rupay mein 500 gram mein adhik chini kha jaati hai
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Answer:
what's your question dude......
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Step-by-step explanation:
mana ki chini ka bhav x rupee per kg tha
to 140 rupee me 140/x kg chini aata tha
ab chini ka bhaav 10% kam ho gaya
naya bhaav = x - x/10 = 9x/10
ab 140 rupee me 140/(9x/10) kg chini ayega
= 1400/9x kg
prashn ke anusar
1400/9x - 140/x = 1/2 (500 gram = 1/2 kg)
(1400 - 1260)/9x = 1/2
140/9x = 1/2
9x = 140*2
x= 280/9 per kg
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