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Maths Puzzle
Numerical Ability
the numberbof possible integers not grater thn 99 which are not divisible by 2,3,or 5 is
(a) 73
(b) 29
(c) 26
(d) none
Read Solution (Total 3)
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- answer is (d) none
there r 25 prime nos bw 1 to 100.
out of them three(2,3,5) are removed
So,remaining r 22 which is not in option so answer is (d). - 10 years agoHelpfull: Yes(0) No(0)
- There are 25 prime nos between 1 to 100
We remove 2,3 & 5.
So we have 22 prime no & combination of them 7*7,7*11,7*13
So we get 3 more no and integer 1 is also there
total 22+3+1=26
Answer option (c)26 - 10 years agoHelpfull: Yes(0) No(0)
- From 1-99 there are 100 nos
Out of which 50 are divisible by 2.
Remaining: 100-50=50
10 nos are divisble by 5 only: 5.15,25,35,45...95
Remaining: 50-10=40
15 nos are divisible by 3.
Hence answer = 25
- 10 years agoHelpfull: Yes(0) No(0)
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