Q1.

A shopkeeper offers the following schemes on toys of the same marked price. 

(A) Successive discounts of 50% and 16% on any number of toys bought. 

(B) Successive discounts of 49%, 8% and 13% on any number of toys bought.

 (C) 35% discount on the first 6 toys and 45% discount on each toy thereon. 

(D) On buying eight items, the customer is billed for only four items. 

A customer wants to buy 8 toys. Which of the above schemes is the least beneficial to her?

Q2.

A shopkeeper buys two types of rice costing ₹32 per kg and ₹40 per kg. He buys a total of 45 kg of rice for ₹1600. The ratio of the quantity (in kg) of rice costing ₹32 per kg to that costing ₹40 per kg is