Elitmus
Exam
Numerical Ability
Number System
Y is a Prime Number , X and Y are whole number. find the value of Y.
i) Y is divisible by (X+1) and (X+2)
ii) Y<200
Read Solution (Total 5)
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- as Y is a prime no. so it is only divisible by 1 and itself,
the first condition says that Y is divisible by (X+1) and (x+2)
so
(X+1)=1 or (X+2)=Y
i.e Y=2 and X=0 - 8 years agoHelpfull: Yes(12) No(1)
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- 8 years agoHelpfull: Yes(1) No(2)
- Only possible prime number is 2 where y is 0 a whole number.
Statmnt a alone. - 8 years agoHelpfull: Yes(0) No(2)
- no solutions...
because we cannot find any unique option by which we can solve or get the value - 8 years agoHelpfull: Yes(0) No(4)
- 1-Y IS A PRIME NO , IT SAYS THAT IT IS HAVING MAXIMUM TWO DIVISORS (1 AND Y).
2-AND A/Q X+1=0 AND X+2=Y
3-IT IS POSSIBLE IF X=0 ONLY .
4- TAKING X , THE VALUE OF Y WILL BE 2. ANSWER - 8 years agoHelpfull: Yes(0) No(0)
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