The cost of 2 apples 3 mangoes and 5 oranges is Rs 50. The cost of 5 apples 8…
2023
The cost of 2 apples 3 mangoes and 5 oranges is Rs 50. The cost of 5 apples 8 mangoes and 14 oranges is Rs 140. What is the cost of one apple one mango and one orange?
Answer: D. Rs 10 — 2 A + 3 M + 5 X = 50 -—— (1) 5 A + 8 M + 14 X = 140—--(2) Multiply (1) by 2.5 5 A + 7.5 M + 12.5 X = 125 —(3) Substract (3) from (2) 0.5 M + 1.5 X = 15 M + 3…
- A.
Rs 15
- B.
Rs 20
- C.
Rs 12
- D.
Rs 10
Attempted by 11 students.
Show answer & explanation
Correct answer: D
2 A + 3 M + 5 X = 50 -—— (1)
5 A + 8 M + 14 X = 140—--(2)
Multiply (1) by 2.5
5 A + 7.5 M + 12.5 X = 125 —(3)
Substract (3) from (2)
0.5 M + 1.5 X = 15
M + 3 X = 30 ——(4)
Substract (4) from (1)
2 A + 2 M + 2 X = 20
A + M + X = 10
One Apple, One Mango and One Orange will Cost Rs. 10/-
Loading lesson…