Test Index

WAEC Agriculture 2023 Paper

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Question : 2

Total: 50

If 200 ml of water was poured on a soil sample in a beaker and 25% of the water drained through the soil, determine the amount of water retained in the soil.

25 ml
175 ml
50 ml
150 ml

Solution:

Concept:

Water retained in soil is the part of the total water that does not drain through it.

Explanation:

Total water poured =

200

ml.

Water drained through soil =

25\%

of

200

ml.

So, water retained =

100\% - 25\% = 75\%

of the total water.

Amount retained =

200 \times \frac{75}{100} = 150

ml.

Thus, the soil retained

150

ml of water.

Answer:

D.

150

ml

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