The cost of table salt `(NaCl)` and table sugar `(C_(12)H_(22)O_(11))` are Rs 2 per kg and Rs. 6 per kg respectively. Calculate their cost per mole.

The cost of table salt (NaCl) and sugar (C_(12)H_(22)O_(11)) are Rs 20 per kg and Rs 36 per kg respectively. Calculate their cost per mole.

The cost of table salt (NaCl) is Rs 2 per Kg. Calculate the cost per mole.

In what ratio must a grocer mix two varieties of pulses costing Rs. 15 per kg and Rs. 20 per kg respectively so as to get a mixture worth Rs 16.50 per kg?

Two varieties of salt, T and S, costing Rs. 25 and Rs. 35 per kg respectively are mixed in the ratio of 4 : 6. The mixed variety is is sold at Rs. 37 per kg. What is the approximate profit percentage?

The cost of the Red, Green and Blue colours per kg is Rs. 20, Rs. 15 and Rs. 18 respectively. Rang Mahal is a renowned building in which these three colours are being used in the ratio of 3 : 2 : 4. The average cost of all the three colours used per kg is :

In what ratio must a grocer mix two types of rice costing rs7.50 per kg and rs10 per kg , respectively , so as to get a mixture worth rs 8.25 per kg ?