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A person buys twelve packets of VANISH d...

A person buys twelve packets of VANISH degergent. Each packet contains one coupon, which bears one the letters of the word VANISH. If he shows all the letters of the word VANISH, he gets one free packet. If he gets exactly one free packet, then the number of different possible combinations of the coupon is `(a) ^18 C_6-^(17)C_6` `(b) ^11 C_5 -1` `(c) ^17 C_5` `(d) 461`

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RESONANCE DPP-JEE MAINS-All Questions
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  2. Number of quadrilaterals which can be constructed by joining the ver...

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  3. A person buys twelve packets of VANISH degergent. Each packet contains...

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  4. Find the shortest distance between the following pair of lines and ...

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  8. Projection of line (x+1)/2+(y+1)/(-1)=(z+3)/4 on the plane x+2y+z=6; h...

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  9. A segment of a line P Q with its extremities on A Ba n dA C bisects a ...

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  10. The number of times the digit 3 will be written when listing the in...

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  11. 'A' writes a letter to his friend 'B' and gives it to his son to post ...

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  13. Let A and B be two independent even such that P(A)=1/3 " and " P(B)=1/...

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  14. If (1+x)^(15)=C0+C1x+C2x^2++C(15)x^(15), then find the value of C2+2C...

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  15. A six-faced dice is so biased that it is twice as likely to show an ...

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  16. If the difference between mean and m0de is 63, the difference between ...

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  17. If 60% of\ A=3/4of\ B ,\ t h e n\ A : B is 4:5 b. 5:4 c. 9: 20 d. 20 :...

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  18. The product of the arithmetic mean of the lengths of the sides of a ...

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  19. For finding average speed of a vehicle covering equal distances in d...

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  20. Internal bisector of /A of triangle ABC meets side BC at D. A line dra...

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