Tech Mahindra Company Numerical Ability Number System

How many number from 11 to 50 are there which are exactly divisible by 7 but not by 3?

a) 2
b) 4
c) 5
d) 6
e) 7

Read Solution (Total 6)

Ans =4
14,28,35,49
8 years agoHelpfull: Yes(9) No(1)

option b
14,28,35,49
8 years agoHelpfull: Yes(3) No(0)
its c)
n(n+1)/n
4(4+1)/4 =5
8 years agoHelpfull: Yes(1) No(4)
ans:b
they are 14,28,35,49
7 years agoHelpfull: Yes(1) No(0)
b)4
14,28,35,49
7 years agoHelpfull: Yes(1) No(0)
answer is 5
14,28,35,49,56
8 years agoHelpfull: Yes(0) No(19)

Tech Mahindra Other Question

A father tells his son, "I was of your present age when you were born." If the father is 36 now, how old was the boy 5 years back?

a) 15 years
b) 13 years
c) 17 years
d) 20 years
e) None of the above How many such 3's are there in the following number sequence which are immediately Preceded by an odd number and immediately followed by an even number? 5 3 8 9 4 3 7 2 3 8 1 3 8 4 2 3 5 7 3 4 2 3 6

a) One
b) Two
c) Three
d) Four
e) More than four