The solution of the equation 3x − 2 = 10 is

1. x = 1

2. x = 2

3. x = 3

4. x = 4

If there are x chairs in a row, then the number of persons that can be seated in 8 rows are

1. 64

2. x + 8

3. 8x

4. none of these

If Arshad earns ₹x per day and spends ₹y per day, then his saving for the month of March is

1. ₹(31x − y)

2. ₹31(x − y)

3. ₹31(x + y)

4. ₹31(y − x)