112)
The first number multiples of 3 is 21
The set of 11 consecutive numbers starting with first number at 21
21 24 27 30 33 36 39 42 45 48 51
The middle number is the 6th number that is 36
Answer: The middle number in the set is 36
113)
N>= 8
Largest value of -N/4 = -8/4 = -2
Answer: -2
114)
20 / (1/7) - 70 x 2
= 20 x 7 - 140
= 140 - 140
= 0
Answer: 0
