Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct?
× and +, 9 and 6

Option 1: 7 × 6 ÷ 3 + 9 – 8 = 17

Option 2: 6 × 8 – 9 ÷ 3 + 5 = 50

Option 3: 7 + 6 × 4 ÷ 9 – 8 = 8

Option 4: 9 × 7 + 4 ÷ 1 – 6 = 7

Question : The sum of the first 20 term of the series $\frac{1}{5×6}+\frac{1}{6×7}+\frac{1}{7×8}+....$ is:

Option 1: 0.16

Option 2: 1.6

Option 3: 16

Option 4: 0.016

Question : Directions: By Interchanging the given two numbers which of the following equations will be not correct?
7 and 9

Option 1: 8 × 3 ÷ 6 + 9 – 7 = 2

Option 2: 7 + 6 – 9 × 4 ÷ 2 = 2

Option 3: 9 + 4 × 3 – 7 ÷ 1 = 10

Option 4: 9 × 3 + 4 ÷ 2 – 7 = 14

Question : Directions: By Interchanging the given two numbers which of the following equations will be not correct?
7 and 4

Option 1: 8 ÷ 6 × 9 + 7 – 4 = 12

Option 2: 7 × 8 + 4 – 6 ÷ 3 = 37

Option 3: 9 – 4 × 3 + 6 × 7 ÷ 1 = 12

Option 4: 4 × 8 – 9 ÷ 3 + 7 = 57

Question : The value of $4 \div 12$ of $[3 \div 4$ of $\{(4-2) \times 6 \div 2\}]-2 \times 6 \div 8+3$ is:

Option 1: $4 \frac{1}{6}$

Option 2: $3 \frac{1}{3}$

Option 3: $2 \frac{1}{3}$

Option 4: $7 \frac{1}{6}$