the cost of table sugar is rs 30/kg. find the cost per mole.

Q. Cost of sugar ($C_{12}{H}_{22}{O}_{11}$) is Rs. $40$ per kg. Calculate its cost per mole.

Q. A grocer buys $20$ kg of sugar at a cost of Rs $18$ per kg and $30$ kg of an inferior sugar at a cost of Rs $15$ per kg . He mixes the two kinds of sugar and sells the mixture at a cost of Rs $16.50$ per kg. If his profit or loss percent is given by $\frac{p}{q}\%$, then find the value of $p+q$.

Q. How many $\text{kg}$ of sugar costing $\text{Rs.}5.75$ per $\text{kg}$ should be mixed with $75\text{kg}$ of cheaper sugar costing $\text{Rs.}4.50$ per $\text{kg}$ so that the mixture is worth $\text{Rs.}5.50$ per $\text{kg}$ ?

Q. Cost of sugar $\left(C_{12}{H}_{22}{O}_{11}\right)$ is Rs.50 per kg. Calculate its cost per mol.

Q. How many Kg of sugar costing Rs 5.50 per Kg must be mixed with 60 Kg of sugar costing Rs 4.80 per Kg so that the mixture is worth Rs 5.25 per Kg?