Question : Directions: Some equations are solved on the same basis, find out the correct answer for the unsolved equation.
If 2 × 16 = 8, 8 × 8 = 1, 6 × 12 = 2, then 12 × 144 = ?

Option 1: 11

Option 2: 12

Option 3: 16

Option 4: 24

Question : Directions: Some equations have been solved based on certain systems. Find out the correct answer for the unsolved equation on that basis.
If 72 × 19 = 23, 13 × 48 = 35 and 16 × 43 = 18, then 39 × 22 = ?

Option 1: 31

Option 2: 51

Option 3: 21

Option 4: 27

Question : Directions: By interchanging which two numbers (not digits) the given equation will be correct?
16 + 6 ÷ 18 – 5 × 1 = 14

Option 1: 5 and 16

Option 2: 14 and 18

Option 3: 5 and 14

Option 4: 18 and 6

Question : Directions: In this question, some equations are solved based on a certain system. On the same basis, find out the correct answer out of the four alternatives for the unsolved equation.
53 – 34 = 5334
65 – 46 = 6456
75 – 24 = ?

Option 1: 7542

Option 2: 7524

Option 3: 7452

Option 4: 7254

Question : Directions: Some equations are solved on the same basis, find out the correct answer for the unsolved equation.
2 × 3 × 4 = 432
5 × 6 × 7 = 765
7 × 8 × 9 = 987
2 × 5 × 7 = ?

Option 1: 572

Option 2: 752

Option 3: 725

Option 4: 257