Three colas and one water costs £3.30

Two waters, one lemonade and one cola costs £2.80

One lemonade, one water and two colas costs £3.10

What is the cost of two lemonades, one water and one cola?

2.90 Pound . 3C + W = 3.3 C + 2W + L = 2.8 2C + W + L = 3.1

L = 2.8 - C - 2W L = 3.1 - 2C - W 2.8 - C - 2W = 3.1 - 2C - W C = 0.3 + W 0.9 + 4W = 3.3 W = 0.6 // C = 0.9 // L = 0.7

The cost of 6 eggs are 30 Rupees. If a plate of 1.5 dozen eggs costs Rupees 130 to shopkeeper, then what will be the profit of shopkeeper on selling a plate of egg?

Amogh buys three items at the store for exactly Rs 100. The second item costs half as much as the first item, and the third item is half as much as the second. How much did each one cost?

What is the value of one-half of two-thirds of three-quarters of four-fifths of five-sixths of six-sevenths of seven-eighths of eight-ninths of nine-tenths of 30?

A child spends $100 on 100 toy animals. A cat cost $10.00, A fish costs $3.00, and A bird costs $0.50. She buys atleast one of each, and doesn't buy any other toys.

How many of each toy does the child buy ?

A pen along with its cap costs Rs. 5.50. If the cost of pen is Rs. 5, more than the cap, can you calculate the cost of the cap ?