Latest TCS Aptitude Question SOLUTION: . A tank is filled with water. In first hour 10 liters, second hours 20 liters, and third hour 40 liters and so on. If time taken to fill ¼ of the tank if 5 hours. What is the tim

• Placement Papers
• /
• TCS
• /
• Numerical Ability
• /
• Pipes and Cistern

TCS Question Papers: TCS Interview Experience(90) TCS Company Profile

(#M40003097) TCS Numerical Ability question Keep an EYE

. A tank is filled with water. In first hour 10 liters, second hours 20 liters, and third hour 40 liters and so on. If time taken to fill ¼ of the tank if 5 hours. What is the time taken to fill up the tank?
a) 5 B) 8 c) 7 d) 12.5

Asked In TCS (12 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (15)   (8) Submit Your Solution Pipes and Cistern

Read Solution (4) :

ANUJ MAURYA  (12 years ago)

Ans: 7 hrs

1/4 in 5 hrs
1/2 in 6 hrs
full in 7 hrs.....

Is this solution Helpfull? Yes (20) | No (3)  

ashish kuamr srivastava  (12 years ago)

7 hrs
1/4 in 5 hrs
double of 1/4 ie 1/2 in 6th hr
double of it in dats complete in 7th hour..

Is this solution Helpfull? Yes (5) | No (2)  

ANITHA MEDIKONDA  (4 years ago)

At the end of each hour, amount of water gets doubled

At the end of 5th hour,
1
4
of the tank is filled

At the end of 6th hour,
1
4
×
2
=
1
2
of the tank is filled

At the end of 7th hour,
1
2
×
2
=
1
tank is filled

i.e., 7 hours are required to fill up the tank

Is this solution Helpfull? Yes (2) | No   

sureshbabu  (7 years ago)

1st hour 10 lit
2nd hour 20 lit
3rd hour 40 lit
4th hour 70 lit
5th hour 110 lit
capacity of 1/4 of tank is 110 lit
then capacity of full tank =220 lit
same wise 6th hour 160 lit
7th hour 220 lit
hence 7 is the answer

Is this solution Helpfull? Yes (1) | No (3)  

Please Login to Read Solution.