Question

6 pipes fill a tank in 120 minutes then 5 pipes will fill it in

Answer 1

6 pipes fill it in 120 min.
than 5 fill in = 120×6/5=144 min should be the answer

Answer 2

5 pipes will fill it in 144 minutes.

• The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units. Always write the items that need to be computed on the right side and the things that are known on the left side to simplify things.
• In the unitary method, the value of a unit quantity is determined before the values of other units are determined. Direct variation and inverse variation are the two different sorts of variations it has.
• When there is a direct variation, an increase or decrease in one quantity will result in an equivalent rise or fall in the other. For instance, a rise in the quantity of commodities will result in higher costs.

Here, according to the given information, we are given that,

6 pipes fill a tank in 120 minutes.

Then, 1 pipe will take more time to fill the same tank.

Then, 1 pipe will fill the tank in $(120).(6)$ minutes.

Then, 5 pipes will fill the same tank in, $\frac{120.6}{5} = 144$ minutes.

Hence, 5 pipes will fill it in 144 minutes.

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