Wipro
Company
Numerical Ability
Permutation and Combination
A question paper has 5 questions and each question has 4 options, how many ways they can be answered?
(a) 5! (b) 54 (c) 45 (d) 20
Read Solution (Total 12)
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- If answer to each question is a guess, as these events are independent to each other, 5 questions can be solved in 4*4*4*4*4 =4^5=1024 Ways
- 12 years agoHelpfull: Yes(19) No(5)
- 20
4+4+4+4+4 - 12 years agoHelpfull: Yes(5) No(6)
- ans=5!
1 question has 4 options
choosing 1 option from 4 is 4!=24
5 questions each has 4! ways of answering.
so its 24+24+24+24+24=120=5! - 12 years agoHelpfull: Yes(4) No(12)
- ans is 5!
because there r 5 questions we can answer them as
aaaaa abbbbb abcda ....................................
there are 5 letters we can arrange them as 5! ways i.e 120 - 12 years agoHelpfull: Yes(4) No(6)
- 1st que have 4 opt to select ans
similiarly each 5 que has 4 opt
so ans is
4*4*4*4*4=1024
no any opt of above is correct - 12 years agoHelpfull: Yes(4) No(3)
- 5! is the answer
- 12 years agoHelpfull: Yes(1) No(9)
- plzz..mail me... wipro previous papers to challa.sowjanya24@yahoo.com
- 12 years agoHelpfull: Yes(0) No(2)
- plz mail me wipro latest question papers mail id : madhuri.ch92@gmail.com
- 12 years agoHelpfull: Yes(0) No(2)
- 1st q can be answerd in four ways,,2->4...........
so 4*5=20
- 12 years agoHelpfull: Yes(0) No(2)
- 1ST QUES-> 4C1
2ND-> 4C1
3RD-> 4C1
4TH-> 4C1
5TH-> 4C1
TOTAL= 4*4*4*4*4 - 12 years agoHelpfull: Yes(0) No(0)
- plz give the correct ansr for dis qtn
- 10 years agoHelpfull: Yes(0) No(0)
- the solution would be (5)^4 -1=624
- 7 years agoHelpfull: Yes(0) No(0)
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