নল ও চৌবাচ্চা (Pipes and Cistern)

Question 1: Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

1717

1847

Source: Rupali Bank Ltd - Officer 28.05.2010

Answer: 1717

Explanation:

Question 2: A water tank can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tankfrom empty state if B is used for half the time , and A B fill it together for the other half?

30 min

40 min

42 min

57 min

Source: Jamuna Bank Ltd - Probationary Officer - 21.12.2012

Answer: 30 min

Explanation:

Question 3: A petrol tank that is 1/2 full has 8 gallons petrol removed. The tank is then 1/10 full. What is the capacity, in gallons, of the tank?

Source: Mercantile Bank Ltd - Officer - 24.04.2009

Answer: 20

Explanation:

Question 4: Two pipes A and B can fill a tank in 20 and 30 minutes respectively . If both the pipes are used together , then how long will it take to fill the tank ?

12 min

15 min

25 min

50 min

Source: Bangladesh Bank - Assistant Director - 2014

Answer: 12 min

Explanation:

Question 5: একটি চৌবাচ্চায় দুইটি নল আছে। একটি নল ৪০ মিনিট ভর্তি করতে পারে এবং অপরটি এক ঘন্টায় খালি করতে পারে। উভয় নল একসাথে খুলে দিলে কতক্ষণে চৌবাচ্চাটি ভর্তি হবে?

১ ঘন্টা

২ ঘন্টা

৩ ঘন্টা

৪ ঘন্টা

Source: প্রাথমিক বিদ্যালয় প্রধান শিক্ষক নিয়োগ -2008-(বরিশাল বিভাগ-04) (18-04-2008)

Answer: ২ ঘন্টা

Explanation:

Question 6: Two tanks A and B are are filled with petrol. Tank A holds 600 litre more than tank B. If 100 litre of petrol were taken out from each tank A would then contain 3 times as much petrol as tank B. What is the total number of litre of fuel in the two full tanks?

1400

1200

1000

900

Source: Management Trainee Officer (MTO) 20.07.2018

Answer: 1400

Explanation:

Question 7: A water tank has two taps ( Tap-1 and Tap-2) : Tap-1 can fill a tank in 8 hours and Tap-2 can empty the tank in 16 hours . How long will they take to fill the tank if both taps are opened simultaneously but Tap -2 is closed after 8 hours?

Source: Sonali, Rupali, Bangladesh Krishi, Rajshahi krishi unnayn,Investment Corporation of Bangladesh - 30.11.2018

Answer: 12

Explanation:

Question 8: A gas tank is 1/5 th full and requires 32 gallons to make it 3/7 full. What is the capacity of the tank?

1220 gallons

140 gallons

135 gallons

145 gallons

Source: Trainee Officer 28.04.2018

Answer: 140 gallons

Explanation:

Question 9: 2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?

2 hours

2.5 hours

3 hours

3.5 hours

Source: Exim Bank Ltd - Senior Officer - 30.12.2011

Answer: 2 hours

Explanation:

Question 10: If a pipe fills a tank in h hours what part of the tank does it fill in 2 hours?

2/h

h/2

1-2/h

Source: Eastern Bank Ltd - Officer - 2005

Answer: 2/h

Explanation:

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You should read | Questions

A 45,000 liter water tank is to filled at the rate 220 liters per minute. Estimates to the nearest half hour, how long it will take to fill the tank?

Pipe A alone can fill a tankin 8 hours .Pipe B can fill it in 6 hours . If both the pipes are operated and after 2 hours pipe A is closed, then the other pipe will fill the tank in.

একটি পিপায় দুটি নল সংযুক্ত আছে? প্রথম নলটি খুলে দিলে খালি পিপাটি ২০ মিনিটে পূর্ণ হয়, দ্বিতীয় নলটি খুলে দিলে পরিপূর্ণ পিপাটি ৩০ মিনিটে খালি হয়। দুটি নলই একসাথে খুলে দিলে খালি পিপাটি কত সময়ে পূর্ণ হবে?

A water tank can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tankfrom empty state if B is used for half the time , and A B fill it together for the other half?

A 45000litre water tank is to be filled at a rate of 220litres per minute,estimate to the nearest half hour,how long it will take to fill the tank?

একটি চৌবাচ্চার দৈর্ঘ্য ৩ মিটার , প্রস্থ ২ মিটার উচ্চতা ৪ মিটার । এতে কত লিটার পানি ধরবে?

A tap fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

নলাকার বস্তুর আয়তন মাপার সূত্র কোনটি? যেখানে, r= ব্যাসার্ধ h=দৈর্ঘ্য ।

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank what time ?

If 10 ships require 10 tanks of oil in 10 days. How long is 1 tank of oil enough for a ship?

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You should read | Topic

জাতীয় ও আন্তর্জাতিক দিবস

প্রগ্রারমিং ভাষা ও সফটওয়্যার

নল ও চৌবাচ্চা (Pipes and Cistern)

মহাদেশ ও দেশ পরিচিতি

অর্থনীতি

আবহাওয়া, জলবায়ু ও দুর্যোগ

উপন্যাস

Degrees of Comparison

সূচক ও লগারিদম (Exponents and Logarithms)

ভাষা আন্দোলন ও মুক্তিযুদ্ধভিত্তিক সাহিত্য

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Question 1: Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Question 2: A water tank can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tankfrom empty state if B is used for half the time , and A B fill it together for the other half?

Question 3: A petrol tank that is 1/2 full has 8 gallons petrol removed. The tank is then 1/10 full. What is the capacity, in gallons, of the tank?

Question 4: Two pipes A and B can fill a tank in 20 and 30 minutes respectively . If both the pipes are used together , then how long will it take to fill the tank ?

Question 6: Two tanks A and B are are filled with petrol. Tank A holds 600 litre more than tank B. If 100 litre of petrol were taken out from each tank A would then contain 3 times as much petrol as tank B. What is the total number of litre of fuel in the two full tanks?

Question 7: A water tank has two taps ( Tap-1 and Tap-2) : Tap-1 can fill a tank in 8 hours and Tap-2 can empty the tank in 16 hours . How long will they take to fill the tank if both taps are opened simultaneously but Tap -2 is closed after 8 hours?

Question 8: A gas tank is 1/5 th full and requires 32 gallons to make it 3/7 full. What is the capacity of the tank?

Question 9: 2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?

Question 10: If a pipe fills a tank in h hours what part of the tank does it fill in 2 hours?

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