'VOICE' is a common noun or abstract noun ?????

Please explain also

In a certain code LUDHIANA is coded as NGZNUAFM, then what is the code for KOLHAPUR in that code?
A) LLIFUKNE
B) ENKFUILL
C) EKNIFULI

1, 3, 16, 125, 1216, 16807, 262144.
wrong number in the series

Two friends A and B started from X and Y for Y and X respectively. They turned back after reaching their destinations and returned back to their starting points. When they met for the first time they were 15 km away from X and when they met for the second time travelling towards each other they were 10 km away from Y. Calculate the distance between X and Y (in km).

what is the remainder of 6^3 / 50 using the remainder theorm and the method of splitting the denominator into co- prime numbers 25 and 2 ? in general this method of splitting the denominator into co- prime numbers in order to find out the remainder actually works but not in all cases.it works in 107^1444 / 136.

The Average length of any 4 fingers of my left hand is 600 mm . Then the average length of all the five fingers of my left hand is :

a) 800mm
b) 850mm
c) 750mm
d) cant be determined

I don't have no idea about the quantitative aptitude basics n logical reasoning. i am weak in verbal ability
how can I improve those sections. ....
please suggested basics books

Could you please lend some rupees?

Total no of integral solutions of a^3+b^3+c^3=43655

how many integral values of x will satisfy the equation |x-3|+|2x+4|+|x|<=11