exam Maths Puzzle Numerical Ability

what is the value of the expression 3x^2y/xy^2 when x= 7 and y= 4
a. 7/3
b. 21/4
c. 2/12
d. 3/4

Read Solution (Total 0)

exam Other Question

Problem: Find the number of permutations of the first 8 letters of the alphebet for each situation.

25. taking 5 letters at a time Is the following a perfect trinomial:
x^2 + 18x + 81
Thank you for the help, these always confuse me!