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CBSE Class 12 Commerce Mathematics Free Doubts and Solutions

CBSE - XII Commerce - Mathematics

cos2A+cos2B+cos2C=-1-4cosAcosBcosC.

Asked by sangitapatel93901 18th June 2019, 7:50 PM
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CBSE - XII Commerce - Mathematics

find dy/dx of : xy^3 - yx^3 = x

Asked by Krrish2k15 25th May 2019, 10:55 AM
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CBSE - XII Commerce - Mathematics

pl answer

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Asked by felixlukose 17th May 2019, 2:23 PM
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CBSE - XII Commerce - Mathematics

Pls answer

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Asked by felixlukose 17th May 2019, 12:57 PM
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CBSE - XII Commerce - Mathematics

pls see

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Asked by felixlukose 16th May 2019, 3:02 PM
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CBSE - XII Commerce - Mathematics

A person invested Rs 27,136 in 8% share at Rs106 and Rs 25,296 in 12% shares at 124. How much total income will he get?

Asked by pabugadhavi 27th April 2019, 10:08 AM
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CBSE - XII Commerce - Mathematics

find k if the equations 2x+3y-z=5, 3x-y+4z=2, x+7y-6z=k are consistent

Asked by bala160307 26th April 2019, 1:53 PM
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CBSE - XII Commerce - Mathematics

Two candidates A and B apply for a job in the same company and there are two vacancirs. The chance of A getting selected is 2/5 and that of B is 4/7. What is the probability that both of them gets selected? Also find the probability of only one of them getting selected?

Asked by rrajeshthapa1998 17th March 2019, 5:24 PM
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CBSE - XII Commerce - Mathematics

In a book shelf there are 4 BM books, 3 commerce book and 5 economic book. two books are picked randomly one after the other without replacement. What is the probabality that both books are of same type.

Asked by rrajeshthapa1998 17th March 2019, 2:34 PM
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