Q3.

After taking out \(\frac{1}{5}\) of the money present in a purse, \(\frac{1}{12}\) of the remaining money is ₹ 7.40. How much money was initially in the purse?

Q4.

Which answer figure comes in place of (?) in the given question-figure series?
Question figures:

Answer figures:

Q5.

Dalton's law of partial pressures applies to which of the following equations?