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(5) 4:3
90. Pipes A and B together
can fill
a tank in 15 hours. If pipe A is
closed after 10 hours, the tank
By Lydia

(5) 4:3
90. Pipes A and B together
can fill
a tank in 15 hours. If pipe A is
closed after 10 hours, the tank
gets filled in 22 hours. In how
much time can pipe B alone fill
the empty tank ? (in hours)
(1) 28
(2) 30
(3) 32
(4) 36
(5) 40
orde
afte
Ste
are
the
low
ran
left
der.​

About the author
Lydia

Q: In unsigned number addition, the status of
which bit is important?
Select one​

The area of a trapezium with parallel sides 10 cm and 6 cm and height 5

cm is :

a. 10 sq.cm b. 40 sq.cm c. 2

1 thought on “(5) 4:3<br />90. Pipes A and B together<br />can fill<br />a tank in 15 hours. If pipe A is<br />closed after 10 hours, the tank<b”

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