Question : What is the value of (A × B) if A = 7 × 21 ÷ 49 - 8 × 7 ÷ 16 and B = 12 ÷ 6 – 3 × 2 + 5 × 3.

Option 1: –7

Option 2: –4.5

Option 3: –6

Option 4: –5.5

Question : What is the value of (3 ÷ 4) of 20 + 16 ÷ 2 – {(1÷3) of 12 + (2 ÷ 5) of 25 }?

Option 1: 8

Option 2: 7

Option 3: 10

Option 4: 9

Question : The value of 44 + 67 – 32 ÷ 4 + (9 + 5 + 5 + 4) – 4 × 12 ÷ 6 – 30 ÷ 5 is:

Option 1: 121

Option 2: 120

Option 3: 112

Option 4: 123

Question : What is the value of (1 ÷ 2) of 10 + (1 ÷ 4) of 12?

Option 1: –11

Option 2: 11

Option 3: –3

Option 4: 8

Question : The ratio of the total surface areas of the two cubes is 49 : 81. What is the ratio of their volumes?

Option 1: 343 : 729

Option 2: 294 : 486

Option 3: 7 : 9

Option 4: 49 : 121