If a number n lies between 2 and 50, then total no of n such that (n-2)! is not divisible by n

• ans is 16
  all prime no. and number 4 too
  3,4,5,7,11,13,17,19,23,29,31,37,39,41,43,47
• 11 years agoHelpfull: Yes(12) No(14)
• No of prime no. between 2-50 are 14+1(no.4) . So, answer is 15.
• 11 years agoHelpfull: Yes(9) No(0)
• i think answer is 15 it will include prime no's from 3 to 47
• 11 years agoHelpfull: Yes(6) No(8)
• except 39 in below answer. so, right answer is 15.
• 11 years agoHelpfull: Yes(6) No(4)
• All prime numbers upto 3 to 50 is 14 and also include 4.Then total ans:15
• 11 years agoHelpfull: Yes(5) No(0)
• 16----all prime no between 2 & 50 including 4
• 11 years agoHelpfull: Yes(4) No(3)
• answer will be 16 all primes 15+ 1 composite number 4=16
• 11 years agoHelpfull: Yes(3) No(2)
• ans will be 15 (100%) , if in any question between is used , then we should take those values which are comes between the given the values, that s y in this question we start to take the prime value from 3 not 2.
• 11 years agoHelpfull: Yes(2) No(0)
• ans is 15...
  because between 2- 50 the prime no are.. 3,5,7,11,13,17,19,23,29,31,37,41,43,47 i.e 14 .... 4 too... so 14+1= 15 is the ans...
  @YANNA 39 is not a prime no...
• 10 years agoHelpfull: Yes(1) No(0)