Question

Nine mangoes, four apples and six pineapples cost Rs.114. If four mangoes, six apples and nine pineapples also cost Rs. 114, what is the cost of five mangoes​

Answer 1

Answer:

The cost of five mangoes is Rs.30.

Step-by-step explanation:

Let the number of mangoes, apples and pineapples be= M, A, P respectively

So, according to the given conditions:

9M+ 4A+6P = 114------(i)

Also, 4M+6A+9P = 114------(ii)

So, equating both we get,

9M+4A+6P = 4M+6A+9P

So, 5M= 2A+3P----(iii)

Now, using equation (i),

9M+ 4A+6P = 114

So, 4A+6P = 114-9M

So, 2A+3P = (114-9M)/2

Now placing this in equation (iii),

5M= 2A+3P

Or, 5M= (114-9M)/2

By solving this, we get M as 6.

Hence, the price of one mango is Rs.6 so the price of 5 mangoes is Rs.30.

Answer 2

Answer:

The answer is Rs. 30.

Step-by-step explanation:

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