Question : $(113^2+ 115^2 + 117^2- 113×115 - 115×117 -117×113)$ is equal:

Option 1: 0

Option 2: 4

Option 3: 8

Option 4: 12

Question : Direction: 15/20 + 4/5 × 2/3 × 8/5 = ?

Option 1: 0

Option 2: 1.60

Option 3: 3

Option 4: 5

Question : Directions: By interchanging the given two signs which of the following equations will be correct?
× and –

Option 1: 7 × 9 – 8 ÷ 2 + 6 = 25

Option 2: 8 × 6 – 9 ÷ 3 + 10 = 0

Option 3: 16 – 4 ÷ 2 + 8 × 1 = 36

Option 4: 5 + 7 × 3 – 4 ÷ 2 = 8

Question : If $x$,$y$ and $z$ are real numbers such that $(x-3)^2+(y-4)^2+(z-5)^2=0$, then $(x+y+z)$ is equal to:

Option 1: –12

Option 2: 0

Option 3: 8

Option 4: 12

Question : Directions: By Interchanging the given two numbers which of the following equations will be not correct?
3 and 8

Option 1: 7 + 3 – 4 ÷ 2 × 8 = 9

Option 2: 6 ÷ 2 × 8 + 3 – 1 = 17

Option 3: 8 – 3 + 6 × 2 ÷ 4 = -2

Option 4: 2 + 3 – 6 ÷ 2 × 8 = 1

Question : Directions: By Interchanging the given two numbers which of the following equations will be correct?
8 and 2

Option 1: 7 ÷ 2 – 8 × 4 + 1 = 0

Option 2: 2 × 4 – 8 + 5 ÷ 1 = 50

Option 3: 8 × 4 + 6 – 2 ÷ 1 = 6

Option 4: 8 × 4 – 9 ÷ 3 + 2 = 35