The correct option is A 22,500
Here, the amount of purchase is Rs 2,70,000 in fully paid shares. The shares are allocated at Rs 10 per share and are issued at premium of 20% which means the shares will be allocated as Rs 10 + 20% of Rs 10 i.e. Rs 12.. Hence, to settle the purchase consideration, R Ltd has to issue Rs 2,70,000/Rs 12 i.e. 22,500 shares.