Puzzle 11) Sushil and its Fruits Shop

Puzzle

A boy named Sushil have a fruits shop in Mumbai. In his fruit shop the cost of four mangoes, six guavas and sixteen watermelons is 500Rs, while the cost of seven mangoes, nine guavas and nineteen watermelons is 620Rs. Now Sushil needs your help to calculate the cost of one mango, one guava, and one watermelon.

Important points of puzzle:

1. Sushil have a fruits shop.
2. In his shop cost of four mangoes, nine guavas and sixteen watermelons is 500Rs.
3. The cost of seven mangoes nine guavas and nineteen watermelons is 620Rs.
4. Now you have to find out the cost of one mango, one guava, and one watermelon.

Answer

1 Mango + 1 watermelon + 1 Guava = 40

Reason

We can solve this problem by making and solving the two equations between three variables.

The following are the equations:

4 Mangoes + 9 Guavas + 16 Watermelon = 500Rs
7 Mangoes + 9 Guavas + 19 Watermelon = 620Rs
After solving or after subtracting these two equations we get the following result:
1 Mango + 1 Watermelon + 1 Guava = 40