How much do 2 apples and 3 oranges cost ?
Statements :
I. 3 apples and 5 oranges cost Rs. 25.
II. 5 apples and 7 oranges cost Rs. 39.
III. 1 apple, 1 orange and 1 guava cost Rs. 8 .

Only I and II are sufficient

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Only I and III are sufficient

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Only II and III are sufficient

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All of I, II and III are neccessary

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Solution

The correct option is C Only I and II are sufficient
Let the cost of an apple $= x$ .the cost of a orange $= y$ $3 x + 5 y = 25$ $5 x + 7 y = 39$ Two variables with two equations are given.Hence,the value of $x$ and $y$ can be calculated.Therefore, the value of $2 x + 3 y$ can also be calculated.Statement III is not needed.option A

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Similar questions

Q. How much do 2 apples and 3 oranges cost?
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I. 3 apples and 5 oranges cost Rs. 25.
II. 5 apples and 7 oranges cost Rs. 39
III. 1 apple, 1 orange and 1 guava cost Rs. 8

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How much do 2 apples and 3 oranges cost ?Statements :I. 3 apples and 5 oranges cost Rs. 25.II. 5 apples and 7 oranges cost Rs. 39.III. 1 apple, 1 orange and 1 guava cost Rs. 8 .

The correct option is C Only I and II are sufficientLet the cost of an apple =x.the cost of a orange =y3x+5y=255x+7y=39Two variables with two equations are given.Hence,the value of x and y can be calculated.Therefore, the value of 2x+3y can also be calculated.Statement III is not needed.option A

How much do 2 apples and 3 oranges cost ?
Statements :
I. 3 apples and 5 oranges cost Rs. 25.
II. 5 apples and 7 oranges cost Rs. 39.
III. 1 apple, 1 orange and 1 guava cost Rs. 8 .