Problem: 7 kgs of mango cost as much as 10 kgs of apple and 1 kg of orange. 7 kgs of orange cost as much as 1 kg of mango and 2 kgs of apple. How many kgs. of apple can be purchased by the amount of money required to purchase 12 kgs. of mango?
View all: CITY BANK LTD | OFFICER | WRITTEN QUESTION SOLVE(MATH) | 2001
Correct Answer: 18 Kgs Apple
Explanation:
7 kgs mango = 10 kgs apple + 1 kg orange ………..(i)
7 kgs orange = 1 kgs mango + 2 kgs apple ………….(ii)Or, 1 kg mango = 7 kgs orange – 2 kgs apple ………….(iii)
Now from (i) x 7 — (iii) we get,
49 kgs mango = 70 kgs apple + 7 kgs orange
1 kg mango = 7 kgs orange — 2 kgs apple
48 kgs mango = 72 kgs apple12 kgs mango = $\frac{72 x 12}{48}$ kgs apple= 18 kgs apple