An apple cost $₹R.$ A mango costs $₹1$ more than an apple$.$ Find the total cost of $8$ mangoes in terms of $R.$

Q. If the total cost of $2$ apples and $3$ mangoes is Rs. $22$, then the cost of each apple and each mango must be Rs. $5$ and Rs. $4,$ respectively, (where the cost of each apple and mango is an integer).

Q. Rakesh bought 4 kg mangoes. Cost of mangoes were ₹169 per kg.If he had purchased 13 kg of apples with the same amount of money, find the cost of apples per kg.

Q. the sum of the cost 12 mangoes and 5 apples is rs 100.the cost of each mango and each apple is equal . if the cost of each mango is rs x and cost of each apple is Rs y , then which equation represents the given information ​

Q. The price of 1 kg of apples and 1 kg of mangoes are in the ratio of 5:4. If 3 kg of apples and 4 kg of mangoes cost Rs 186, find the cost of 1 kg of apples and 2 kg of mangoes.