A labourer is engaged for 20 days on the condition that he will receive ₹ 280 for each day he works and will be fined ₹ 60 for each day he is absent. If he receives ₹ 2540 in all, for how many days did he remain absent?

If 7x - 12 = 13 - 5x - 5, then the value of x is

1. $\dfrac{3}{4}$

2. $\dfrac{5}{3}$

3. $\dfrac{6}{5}$

4. $\dfrac{7}{4}$

If 7(5 - 6z) = 11(5 - 4z), then the value of z is

1. 10

2. $\dfrac{12}{5}$

3. 12

4. $\dfrac{18}{7}$

If $2x + \dfrac{3}{5} = \dfrac{2}{5}x + 3$, then the value of x is

1. 1

2. $\dfrac{3}{2}$

3. 2

4. $\dfrac{5}{2}$