Question

Water is a precious resource and it should be
conserved. Any leaking water tap should be immediately
repaired. An average drop of water is about 0.2ml. If 3
drops of water go waste per second, calculate the water
wasted in 1 week. Express it in litres. Have you noticed a
considerable amount of water ? A tanker can hold this
considerable amount of water when it is one quarter
empty. Find the capacity of the tanker in litres.

Answer 1

Given :- An average drop of water is about 0.2ml. If 3 drops of water go waste per second, calculate the water wasted in 1 week. Express it in litres. Have you noticed a considerable amount of water ? A tanker can hold this considerable amount of water when it is one quarter empty. Find the capacity of the tanker in litres.

Solution :-

given that,

→ 1 drop of water is about = 0.2ml

and,

→ in one second water goes to waste = 3 drop.

So,

→ water goes to waste in 1 second = 3 * 0.2 = 0.6 ml .

Now, we know that ,

• 1 week = 7 days.
• 1 day = 24 hours.
• 1 hours = 60 minutes .
• 1 minute = 60 seconds.

Than,

→ Total seconds in 1 week = (7 * 24 * 60 * 60) = 604,800 seconds.

Therefore,

→ water goes to waste in 1 week = (0.6) * (604,800) = 362,880 ml.

Now, we know that ,

• 1000 ml = 1 litre.

So,

→ 1000 ml = 1 litre.

→ 1 ml = (1/1000) litre.

→ 362,880 ml = (1 * 362880)/1000 = 362.88 Litre .(Ans.)

Hence, 362.88 Litre of water waste in 1 week.

_______

Now, given that, A tanker can hold this considerable amount of water when it is one quarter empty .

So,

→ One quarter = (1/4) empty.

Than,

→ Tank is full by = 1 - (1/4) = (3/4) th .

Therefore,

→ (3/4) is equal to = 362.88 litre .

→ 1 is equal to = (362.88 * 4) / 3 = 483.84 Litre. (Ans.)

Hence, the capacity of the tanker is 483.84 Litres.