Q.1.
Add the first figure to the quotient of the last two (the middle figure is the dividend and the last is the divisor): 18, 36, 3
Q.2.
Multiply the last figure by the sum of the first two: 9, 8, 9
Q.3.
Add the last figure to the product of the first two: 3, 14, 12
Q.4.
Multiply the second figure by the sum of the first and last: 8, 11, 3
Q.5.
Subtract the third figure from the quotient of the first two (the first figure is the dividend and the second is the divisor): 81, 9, 5
Q.6.
Subtract the first figure from the quotient of the last two (the last figure is the dividend and the middle one is the divisor): 17, 8, 96
Q.7.
Subtract the first figure from the second, then multiply your answer by the third: 27, 39, 12
Q.8.
Subtract the first figure from the product of the last two: 52, 4, 23
Q.9.
Add the first figure to the product of the last two: 34, 6, 8
Q.10.
Multiply the first figure by the sum of the last two: 12, 8, 13