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An industrial loom weaves 0.128 m of cloth every second. Approximately, how many seconds will take for the loom to weave 25 m of cloth?

Computer MCQs Series for PPSC, FPSC – Most Repeated MCQs | Set 4

• An industrial loom weaves 0.128 m of cloth every second.
• The time required for the loom to weave 25 m of cloth can be figure out in this way.

Explanation

Two given entities here are

1. Cloth
2. Time

To determine the relation here, let suppose; the time required for the loom to weave 25 m of cloth = y

Case

As we know that;

Cloth          Time

0.128 m               1 sec

25 m                     y

• More time means more cloth (Loom can weave too much cloth).
• Less time means less cloth.

This clearly indicates that there is direct relation.

Direct/Indirect relation tells how the equation will be written.

0.128 : 25  ::  1 : y ________ (A)

After simplifying equation (A), we can easily figure out the value of y (y = 195 sec )

To Find

The time required for the loom to weave 25 m of cloth = y

Solution

Method I

Let suppose

The time required for the loom to weave 25 m of cloth = y

Cloth          Time

0.128 m               1 sec

25 m                    y

Relation between cloth and time is direct, so;

0.128 : 25  ::  1 : y

0.128 x y = 1 x 25

0.128y = 25

y = 25/0.128

y = 195.32 sec

The approximate time required for the loom to weave 25 m of cloth = 195 sec answer

Method II

0.128 m of cloth requires time = 1 sec

1m of cloth requires time = 1 / 0.128

1m of cloth requires time = 7.8 sec

25m of cloth requires time = 7.8 x 25

25m of cloth requires time = 195.32 sec

The approximate time required for the loom to weave 25 m of cloth = 195 sec answer

Conclusion

An industrial loom weaves 0.128 m of cloth every second. Approximately, 25 m of cloth can be weaved in 195 seconds.

Computer MCQs Series for PPSC, FPSC – Most Repeated MCQs | Set 6

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