elitmus Exam Logical Reasoning Cryptography

a multiplication is given below where each letter represents a single digit and no two no.s are represented by the same letter:
W H Y
N U T
-------------------
O O N P
O Y P Y
O U H A
-------------------
O N E P O P

i)Which of these is not divisible by 2?
a)W b)Y c)U d)N

ii)One of those digits appear only once in the multiplication except:
a)2 b)5 c)6 d)8

iii)Which of these can be sides of a triangle?
a)NYT b)OWY c)EUO d)APW

Read Solution (Total 15)

elitmus Other Question
A container contain Red,white,Blue,Green balls(without replacement)
there is condition:
a) Drawn four red balls
b)Drawn one white and three red balls
c)Drawn one white,two blue and two red balls and
d)Drawn one white, one blue and one red
find minimum number of balls to satisfy that condition
option are
1)10
2)19
3)21
4)i forget please provide solution...
 if 1/a+1/b+1/c=a+b+c, (a+b+c),(abc)is not equal to zero,then what is the value of (a+b)(b+c)(c+a)?

a)equals to zero
b)less than zero
c)greater than zero
d)can not be determined