Logical and Mathematical Reasoning Exercises

Exercise 15

Complete the sequence:

21 = 32
43 = 712
65 = 1130
87 = ????

To solve the mathematical logic exercise, we add and multiply the digits on each equation.

2 + 1 = 3 / 2 X 1 = 2
4 + 3 = 7 / 4 X 3 = 12
6 + 5 = 11 / 6 X 5 = 30
8 + 7 = 15 / 8 X 7 = 56

Answer:

87 = 1556

Exercise 16

Which numbers replace the question marks?

$Math Reasoning$ $Math Reasoning$

a- 3/8/14

b- 2/7/13

c- 2/5/11

Let's analyze the example:
2+1=3 / 1+3=4
3+4=7

$Math Reasoning$

The answer is "c": 2/5/11

Exercise 17

Which answer replaces the question marks?

33 = 3
44 = 8
55 = 15
66 = ??

To solve the mathematical logic exercise, we multiply and subtract the digits on each equality.

3*3 = 9 (-3-3) = 3
4*4 = 16 (-4-4) = 8
5*5 = 25 (-5-5) = 15
66 = 36 (-6-6) = 24

Answer:

66 = 24