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(A, B, C and

D), each containing1000 litres of achemical.

The chemical is being pumped from one tankto another as follows:From A to B @ 20 litres/minuteFrom C to A @ 90 litres/minuteFrom A to D @ 10 litres/minuteFrom C to D @ 50 litres/minuteFrom B to C @ 100 litres/minuteFrom D to B @ 110 litres/minuteWhich tank gets emptied first, and how long does it take (in minutes)to get empty after pumping starts

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A chemical plant has four tanks

(A, B, C and

D), each contai

(A, B, C and

D), each contai

Two pipes can fill a tank in 18 minutes and 15minutes.

An o

An o

Three pipes A, B and C can fill a tank from empty to full in

Three pipes A, B and C can fill a tank from empty to full in

A and B are two taps which can fill a tank individually in 1

Two pipes A and B can fill a tank in 24 hours and 1717 hou

A leak in the bottom of a tank can empty the full tank in 6

A water tank is two-fifthfull.

Pipe A can fill a tank in 10

Pipe A can fill a tank in 10

A water tank is two-fifthfull.

Pipe A can fill a tank in 10

Pipe A can fill a tank in 10

A water tank is two-fifthfull.

Pipe A can fill a tank in 10

Pipe A can fill a tank in 10