240 ग्राम की एक मिश्रधातु मे� – McqOptions

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1.	240 ग्राम की एक मिश्रधातु में जस्ता और तांबा 5:3 के अनुपात में है\| इसमें कितने ग्राम तांबा मिलाया जाये ताकि यह अनुपात 3:5 हो जाए \|
A.	123
B.	160
C.	786
D.	364
Answer» C. 786

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