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If a set A has 4 elements then total nu...

If a set A has 4 elements then total number of proper subsets of set A is

A

16

B

14

C

15

D

17

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The correct Answer is:
C
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MODERN PUBLICATION-MOCK TEST PAPER -IV-SELECT THE CORRECT ANSWER
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  11. If x^(r ) occurs in the expansions of (x+(1)/(x))^(n) then its coeff...

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  12. If in the expansion of (1+x)^(m)(1-x)^(n) the coefficients of x and x^...

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  13. If the straight line ax +by+c=0 always passes through (1,-2) then a,b,...

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