Pipes and cistern MCQs

Showing 50 questions (Total: 132)

Exim Bank Ltd #51

Three taps A, B and C can fill a tank in 12,25 and 20 hours respectively. If a is open all the time and B and C are open for one hour each alternately, the tank will be full in :

A: 7 hrs
B: 6.5 hrs
C: 7.5 hrs
D: 5.0 hrs
Combined Bank #52

The pipe can independently fill a water tank in 10,12 and 15 hours. How many hours will take for all three pipes opened together to fill half of the tanks?

A: 6
B: 5
C: 4
D: 2
Dutch-Bangla Bank Ltd #53

Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is ----

A: 60 gallons
B: 120 gallons
C: 150 gallons
D: 170 gallons
Government Job and Other Recruitment Exams #54

৬০ মিটার দৈর্ঘ বিশিষ্ট একটি নলকে ৩:৭:১০ আনুপাতে টুকরা করা হয়েছে। ছোট টুকরাটি কত মিটার ?

ক: ৯
খ: ১০
গ: ৭
ঘ: ৮
Sonali Bank Ltd #55

A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes . Both the taps are kept open for 10 minutes and then the first tap is shut off. After this , the tank will be completely filled in what time ?

A: 10 min
B: 15 min
C: 20 min
D: 25 min
Sonali Bank Ltd #56

A rectanguler fish tank 25m by 9m has water in it to a lavel of 2m . This cylindrical container with a diameter of 10m . How high will the water reach in the cilindrycal container ?

A: 18/
B: 18
C: /18
D: 9/2
Directorate of Rural Development and Cooperatives A house is a farm Field Assistant #57

একটি চৌবাচ্চার দৈর্ঘ, প্রস্থ ও গভীরতা ০.১ মিটার হলে ঐ চৌবাচ্চার কত ঘনমিটার পানি ধরবে?

ক: ১ ঘনমিটার
খ: ০.০১ ঘনমিটার
গ: ০.১ ঘনমিটার
ঘ: ০.০০১ ঘনমিটার
BCSIC Recruitment Exam #58

a tank 40% is full of water ,if 9 liters water is removed the tank become 1/4 full what is the capacity of tank of watera/

A: 20
B: 30
C: 40
D: 60
Combined Bank #59

A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes . Both the taps are kept open for 10 minutes and then the first tap is shut off. After this, the tank will be completely filled in what time?

A: 10 min
B: 15 min
C: 20 min
D: 25 min
IFIC Bank Ltd #60

A pipe of 2 inch diameter fills a water tank in one hour. If the diameter of the pipe is 4 inch in what time will the pipe fill the same tank?

A: 10 minutes
B: 15 minutes
C: 30 minutes
D: 45 minutes
Combined Bank #61

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 ?

A: 10
B: 12
C: 14
D: 16
Combined Bank #62

when 6 gallons of gasoline are put into a car, the indicator goes from 1/4 to 5/8 . what is the total capacity of the gasoline tank?

A: 12
B: 14
C: 16
D: 18
Supervisor in Food Directorate #63

সুমন ২০ টাকা ও ৩০ টাকা দামের সমসংখ্যক কলম কিনলো ্ যদি সে মোট ১০০০ টাকা কলম কিনে থাকে তবে মোট কয়টি কলম কিনলো?

ক: ২৮
খ: ৩২
গ: ৪০
ঘ: কোনোটিই নয়
Upazila Post Master of Postal Directorate of Ministry of Posts and Telecommunication #64

২.৫ মিটার বর্গাকার একটি খোলা চৌবাচ্চায় ২৮,৯০০ লিটার পানি ধরে । এর ভিতরে এলুমিনিয়ামের পাত লাগাতে প্রতি বর্গমিটারে ৫ টাকা হিসাবে মোট কত খরচ পড়বে ?

ক: ২২৯.৬০ টাকা
খ: ১২৯.২৯ টাকা
গ: ২২৭.৮০ টাকা
ঘ: ৬০০ টাকা
BCIC under the Ministry of Industry Assistant Chemist #65

রাফি, দিপু এবং অপু তিনজন মিলে একটি টেনিস বল কিনলো। অপু যে পরিমাণ টাকা দিলো দিপু তার দ্বিগুণের থেকে ৪ টাকা বেশি দিলো। রাফির থেকে অপু ৩ টাকা কম দিলো। যদি রাফি 'ক' টাকা দিয়ে থাকে তবে দিপু কত টাকা দিলো?

ক: (ক-৭)/২
খ: (ক-২)/২
গ: (২ক +৭)/২
ঘ: (২ক - ২)
Military Engineer Services of the Ministry of Defence Storeman #66

রহিম সাহেব গুলশানে বাস করেন। তিনি নতুন বাড়ি নির্মাণ করেছেন। তিনি বাড়ির সিঁড়ি ঘরের পাশে একটি চৌবাচ্চা তৈরি করেন। এতে ১৯২০০ লিটার পানি ধরে । চৌবাচ্চাটির গভীরতা ২.৫৬ মিটার এবং প্রস্থ ২.৫ মিটার। চৌবাচ্চাটির দৈর্ঘ্য কত?

ক: ৩ মিটার
খ: ৪ মিটার
গ: ৫ মিটার
ঘ: ৬ মিটার
Ministry of Defense Recruitment Exam #67

একটি চৌবাচ্চা ১৯২০০ লিটার পা ধরে। এর গভীরতা ২,৫৬ মিটার এবং প্রস্থ ২.৫ মিটার হলে, দৈর্ঘ্য কত?

ক: ৪ মিটার
খ: ৬ মিটার
গ: ৩ মিটার
ঘ: ১৪ মিটার
Ministry of Defense Recruitment Exam #68

একটি নল ১২ মিনিটে একটি খালি চৌবাচ্চা পূর্ণ করে। অপর এক নল প্রতি মিনিটে ১৪ লিটার পানি বের করে দেয়। চৌবাচ্চাটি খালি থাকা অবস্থায় নল দুটি খুলে দিলে ৯৬ মিনিটে উহা পূর্ণ হয়। চৌবাচ্চাটিতে কত লিটার পানি ধরে?

ক: ১৪৫ লিটার
খ: ১৫৫ লিটার
গ: ২০৮ লিটার
ঘ: ১৯২ লিটার
Government Job and Other Recruitment Exams #69

একটি বাক্সে ১০ টি নীল ও ১৫ টি লাল মার্বেল আছে। যেমন খুশী টানলে প্রতিবার ২ টি একই রংয়ের মার্বেল হওয়ার সম্ভাব্যতা__

ক: ১২
খ: ১৩
গ: ১৪
ঘ: ১৫
Bangladesh Bank #70

Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

A: 2811 hours
B: 3917hours
C: 412 hours
D: 11317hours
Mercantile Bank Ltd #71

The water in a fish tank measuring 114 feet by 8 inches is 7 inches high. The water is poured into another tank measuring 14 inches by 20 inches. What will be the height of water, in inches, in the second tank?

A: 1/4
B: 2
C: 3
D: 1/12
Exim Bank Ltd #72

A tank is filled in 5 hours by three pipes A, B and C . The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?

A: 20 hours
B: 25 hours
C: 30 hours
D: 35 hours
Exim Bank Ltd #73

3 pumsps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the same tank in 1 day?

A: 9 hours
B: 10 hours
C: 11 hours
D: 12 hours
Exim Bank Ltd #74

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?

A: 10 minutes
B: 11 minutes
C: 12 minutes
D: 15 minutes
Combined Bank #75

A defect can be caused _____ negligence by one of the members of a team .

A: to
B: by
C: at
D: in
Combined Bank #76

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?

A: 10
B: 12
C: 14
D: 16
Combined Bank #77

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.

A: 6 hours
B: 3 1/2 hours
C: 4 hours
D: 1 1/2 hours
Exim Bank Ltd #78

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?

A: 2 hours
B: 2.5 hours
C: 3 hours
D: 3.5 hours
IFIC Bank Ltd #79

30 men took a dip in a water tank 20m long and 15m broad on a religious day.If the aveage water displacement of water by a man is 2m3, then the rise in the water level in the tank will be --

A: 20 cm
B: 50 cm
C: 100 cm
D: 200 cm
Rajshahi Krishi Unnayan Bank #80

একটি চৌবাচ্চার দৈর্ঘ্য ৩ মি. প্রস্ত ২ মি. ও উচ্চতা ৪মি. হলে এতে কত লিটার পানি ধরবে?

ক: ২৬০০০
খ: ২৫০০০
গ: ২৪০০০
ঘ: ২৩০০০
Islami Bank Bangladesh Ltd #81

Three pipes P,Q and R can fill a tank in 6 hours. After working all three together for 2 hours. R is closed and P and Q can fill the remaining part in 7 hours . The number of hours taken by R alone fill the thank is --

A: 10
B: 12
C: 14
D: 16
Exim Bank Ltd #82

If Farhan were to add 5 gallons of kerosene to a tank that is already 34 full of kerosine , the tank would be 78 full . How many gallons of kerosine would the tank hold if it wre full .

A: 25 gallons
B: 40 gallons
C: 64 gallons
D: 80 gallons
BASIC Bank Ltd #83

A water tank has two taps (Tap1 -Tap2) . 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?

A: 10
B: 12
C: 14
D: 16
Rupali Bank Ltd #84

A pump can fill with water in 2 hours. Because of a leak, it took 213 hours to fill the bank . The leak can drain all water of the tank in:

A: 413hrs.
B: 7 hrs.
C: 8 hrs
D: 14 hrs.
BASIC Bank Ltd #85

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours. C is closed and A and B can fill the remaining part in 6 hours. The number of hours taken by C alone to fill the tank is:

A: 8 hours
B: 10 hours
C: 14 hours
D: 18 hours
Southeast Bank Ltd #86

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?

A: 1220 gallons
B: 140 gallons
C: 135 gallons
D: 145 gallons
Southeast Bank Ltd #87

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?

A: 40
B: 1512
C: 20
D: 30
Rupali Bank Ltd #88

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?

A: 10
B: 15
C: 1717
D: 1847
Eastern Bank Ltd #89

Three -fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storage capacity, what part of the total capacity of the petrol reservoir did each truck receive?

A: 320
B: 415
C: 215
D: 15
IFIC Bank Ltd #90

A pipe of 2 inch diameter fills a water tank in one hour . If the diameter of the pipe is 4 inch in what time will the pipe fill the same tank?

A: 10 minutes
B: 15 minutes
C: 30 minutes
D: 45 minutes
Pubali Bank Ltd #91

A tank is 25 m long , 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq.m is :

A: Tk. 456
B: TK. 458
C: TK. 558
D: Tk. 568
Officer (Freedom Fighter) #92

A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ?

A: 3.6 min
B: 3.1 min
C: 3.5 min
D: 4.0 min
Officer (Freedom Fighter) #93

One filling pipe P is three times faster than another filling pipe Q , If P can fill the tank in 24 hours, then what is the time taken to completely fill the tank if both pipes are opened together?

A: 12 hours
B: 16 hours
C: 18 hours
D: 14 hours
Officer (Cash) #94

A tank can be filled with water by two pipes A and B together in 36 minutes, the tank is filled in 40 minutes. The pipe B can alone fill the tank in -

A: 45 munutes
B: 60 munutes
C: 75 minutes
D: 90 munutes
Officer (Cash) #95

A pump can fill a tank with water in 2 hours . Because of a leak , it took 213 hours to fill the tank.The leak can drain all the water of the tank in -

A: 4(13) hours
B: 14 hours
C: 7 hours
D: 8 hours
Combined Bank #96

Pipe P can fill and empty tank in 4 hours but pipe Q can completely empty the same tank in 8 hours. But the pipes were opened alternately after every two hours starting with pipe P then in how many hours, the tank was completely filled ?

A: 6 hours
B: 5 hours
C: 10 hours
D: 12 hours
Assistant Executive Officer (Taylor) #97

A tap can 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?

A: 4 hrs 15 min
B: 3 hrs 45 min
C: 3 hrs 24 min
D: 4 hrs 51 min
Government Job and Other Recruitment Exams #98

A tap can 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?

A: 3 hrs 15 min
B: 3 hrs 45 min
C: 4 hrs 15 min
D: None of these
Government Job and Other Recruitment Exams #99

A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paisa per m2 is -

A: TK. 456
B: TK. 458
C: TK. 558
D: TK. 568
Government Job and Other Recruitment Exams #100

A tank has two leakages. The first leakage alone can empty the tank in 9 min and the second alone would have done it in 6 min. If water leaks out at a constant rate , how long does it take both the leakage together to empty the tank?

A: 3 min
B: 3.5 min
C: 4 min
D: 3.6 min