Question : Directions: A prime number between 10 and 50 remains unchanged if its digits are reversed, then find the square of such a number.

Option 1: 121

Option 2: 484

Option 3: 1089

Option 4: 1936

Question : Directions: A * B means multiply A by B, A @ B means divide A by B, A ? B means add B to A, and A = B means subtract B from A. Then, find the value of –
10 * 10 = 5 * 10 ? 50 @ 10

Option 1: 100

Option 2: 45

Option 3: 1000

Option 4: 55

Question : Directions: In the following question, find the odd number from the given alternatives.

Option 1: (11, 121)

Option 2: (13, 169)

Option 3: (19, 391)

Option 4: (21, 441)

Question : Directions: If 324 @ 289 = 35, 441 @ 484 = 43, then 625 @ 400 = ?

Option 1: 45

Option 2: 52

Option 3: 41

Option 4: 43

Question : Directions: In the following question, find the odd number pair from the given alternatives.

Option 1: 43 – 6

Option 2: 28 – 4

Option 3: 50 – 7 

Option 4: 36 – 5 

Question : Directions: In the following question, find the odd number pair from the given alternatives.

Option 1: 16 – 28 

Option 2: 20 – 30

Option 3: 30 – 40 

Option 4: 40 – 50