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Maths Puzzle
Numerical Ability
Permutation and Combination
In How many ways 3 identical rings can be worn in 5 fingers?
A. 27
B. 60
C. 125
D. 210
Read Solution (Total 5)
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- its 60. for 1st ring we have 5 a option of five fingers. for 2nd its 4 and for third its 3. so ans will be 5*4*3=60
- 11 years agoHelpfull: Yes(0) No(3)
- please explain the solution clearly
- 11 years agoHelpfull: Yes(0) No(3)
- first ring will have 5 , secpnd ring will have 5 (as 1 finger can have more than 1 ring) again 3rd ring will havre 5 ring = 5*5*5=125
- 9 years agoHelpfull: Yes(0) No(1)
- (n+r-1)!c(r-1)!
- 9 years agoHelpfull: Yes(0) No(1)
- 5power 3 =125
- 7 years agoHelpfull: Yes(0) No(0)
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