Question
Pipes A and B can fill a tank in 43.2 minutes and 108
minutes, respectively. Pipe C can empty it at 3 litres/minute. When all the three pipes are opened together, they fill the tank in 54 minutes. The capacity (in litres) of the tank is:Solution
LCM of 43.2, 108 and 54 = 432 units = Total work Efficiency of A = 432/43.2 = 10 units/min Efficiency of B = 432/108 = 4 units/min Efficiency of (A + B + C) = 432/54 = 8 units/min Efficiency of C = (10 + 4 – 8) units/min ⇒ 6 units/min Capacity of tank = (432/6) × 3 litres ⇒ (72 × 3) litres ⇒ 216 litres
Statements:Some combs are boxes.
All boxes are mirrors.
Conclusions:I. Some boxes are combs.
II. Some mirrors are combs.
Statements: All medicine are tablets.
All pills are tablets.
All tablets are tonics.
Conclusions: I. All medicine are tonics. ...
Statement:
Only a few Heel is Sandal
All Sandals are Laces
Only Lace is buckle
Conclusion:
I. Some Heels are Lac...
Statements:
Only a few Laptops are Notebooks.
No Notebook is Computer.
Only a few Notebooks are Bars.
Only a few Bars...
In the question below are given some statements followed by some conclusions. You have to take the given statements to be true even if they seem to be ...
Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at varia...
Statements:
Some Facebook are Reels.
All Meta are Reels.
Only a few Reels are Views.
Conclusions:
I. All Reels ...
Read the given statements and conclusion carefully. Assuming the information given in the statement is true, even if it appears to be at variance with...
Statements:
Some chalks are wires.
No wire is pole.
Some poles are irons .
Conclusions:
I. No pole is a wire.
...Conclusions:
Some pens are pencil.
No pencil is black.
Statements:
