If the cost of 5 apples and 3 bananas is ₹ 26 and that of 3 apples and 1 banana is ₹ 14, then the cost of 1 banana and 1 apple is ______.

If the cost of 3 apples and 4 mangoes is ₹ 50 and that of 6 apples and 8 mangoes is ₹ 100, then the costs of one apple and that of one mango could be ₹ 10 and ₹ 5 respectively. (True/False)

If the cost of 3 apples and 4 mangoes is Rs.50 and that of 6 apples and 8 mangoes is Rs.100, then the costs of one apple and that of one mango could be Rs.10 and Rs.5 respectively (True/False)

The cost of 3 oranges and 12 apples is Rs. 9.60 and the cost of 5 oranges and 7 apples is Rs. 6.90. Find the cost of apples per dozen.