exam Maths Puzzle Numerical Ability

i need help asap on these 3 word problems, please help me by tonight. here's what the problems say.

#1
Business: for excercises "a" and "b", use the following information.
nic

Read Solution (Total 0)

exam Other Question
The sum of two numbers is 72. One number is 3 morebthan the two times of the other number. Find the numbers. How many integers in the set of all integers from 1 to 100, unclusive, are not the square of an integer?

(A) 19
(B) 50
(C) 81
(D) 89
(E) 90