2581 . On sunday the price of a share was TK. 560 . If the price of hte share was TK. 630 at the closing of the day, what was the percent increase in the price of the share for the day?

A. 1.4%
B. 5.9%
C. 11.1%
D. 12.5%

View Answer	Favorite Question

Answer: Option D

Explanation:

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সাবস্ক্রিপশন লিংক

2582 . 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

View Answer	Favorite Question

Answer: Option C

Explanation:

2583 . One fourth the price of a TV is equal to 1/6th the price of a refrigerator. If the total cost of the TV and the refrigerator is Tk 60000, what is the price of the TV?

A. Tk 22000
B. Tk 24000
C. Tk 27500
D. None of these

View Answer	Favorite Question

Answer: Option B

Explanation:

Hints:

ধরি, TV এর মূল্য x টাকা

রেফ্রিজারেটর এর মূল্য ( 60000 - x) টাকা

শর্তমতে, x/4 = ( 60000 - x) / 6

6x = 240000 - 4x

6x + 4x = 240000

x = 24000

2584 . One half of pole is deep into the soil under water, one-third of it is above the soil under water and two meters of it is above the water level. The total length of the pole in meter is-

A. 8
B. 10
C. 12
D. 14
E. 16

View Answer	Favorite Question

Answer: Option C

Explanation:

1 - ( 1/2 + 1/3)

= 1 - 5/6

= 1/6

So, 1/6th portion = 2 meter

1 th portion = 2 × 6/1 meter = 12 meter

Agrani Bank Ltd. Recruitment Test for Senior Officer 12.02.2010

A. 3 hours
B. 3.5 hours
C. 4 hours
D. 4.5 hours

View Answer	Favorite Question

Answer: Option C

Explanation:

First pipe can fill 1/6 of the pool in an hour

Second pool can fill 1/12 of the pool in an hour

Together they can fill (1/6 + 1/12) or 1/4 of the pool in an hour

So, they can fill the pool completely in 4 hours.

2586 . One pipe can fill a pool in 6 hours and a second pipe can fill the same pool in 12 hours. If both pipes work together, how long will it take to fill the pool?

A. 4 hours
B. 4.5 hours
C. 3 hours
D. 3.5 hours

View Answer	Favorite Question

Answer: Option A

Explanation:

First pipe can fill 1/6 of the pool in an hour

Second pool can fill 1/12 of the pool in an hour

Together they can fill (1/6 + 1/12) or 1/4 of the pool in an hour

So, they can fill the pool completely in 4 hours.

2587 . One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in :

A. 81 min
B. 108 min
C. 144 min
D. 192 min

View Answer	Favorite Question

Answer: Option C

Explanation:

Let the slower pipe alone fill the tank in x min
Then, faster pipe will fill it in x/3 min

So, slower pipe in 1 minute can fill = 1/x part of the tank
and faster pipe in 1 minute can fill = 3/x part of the tank
again, together in 1 minute can fill = 1/36 part of the tank

As per question,
1/x + 3/x = 1/36
∴ x = 144 min (Ans:)

Bangladesh Bank - Assistant Director - 2016

A. 12 sq. m
B. 15 sq. m
C. 20 sq. m
D. 4√5 sq. m

View Answer	Favorite Question

Answer: Option A

Explanation:

2589 . One-third of a cylindrical oil tank is filled. If 3 more liters are added, a half of the tank will be filled. What is the capacity, in liters, of the tank?

A. 15
B. 16
C. 17
D. 18

View Answer	Favorite Question

Answer: Option D

Explanation:

Change in capacity = 1/2 - 1/3 = 1/6

Now, 1/6 of the capacity = 3 liter

So, actual capacity = 3×6 = 18 liter

2590 . One-third of a cylindrical oil tank is filled.If 3 more litters are added a half of the tank will be filled. What is the capacity in litters of the tank?

A. 17
B. 18
C. 14
D. 15

View Answer	Favorite Question

Answer: Option B

Explanation:

Change in capacity = 1/2 - 1/3 = 1/6

Now, 1/6 of the capacity = 3 liter

So, actual capacity = 3×6 = 18 liter

2591 . One third of Aman's marks in Mathematics exceeds a half of his marks in English by 30. If he got 240 marks in the two subjects together, how many marks did he get in English?

A. 180
B. 120
C. 90
D. 60

View Answer	Favorite Question

Answer: Option D

Explanation:

Let marks in math = x

So, marks in english = 240 - x

ATQ,

x/3 - 30 = ( 240 - x ) / 2

2x/3 - 60 = 240 - x

2x/3 + x = 240 + 60

5x/3 = 300

x = 300* 3/5

x = 180

Marks in math = 180

Marks in english = 240 - 180 = 60

বাংলাদেশ ব্যাংক || সহকারী পরিচালক (AD) (20-10-2023)

A. Tk. 30,000
B. Tk. 50,000
C. Tk. 60,000
D. Tk. 90,000

View Answer	Favorite Question

Answer: Option D

Explanation:

According to the problem, one-third of Ratan's investment in NSC is equal to one-half of his investment in FDR. We can write this as:

(1/3)x = (1/2)(150,000 - x)

Simplifying this equation, we get:

2x = 3(150,000 - x)

2x = 450,000 - 3x

5x = 450,000

x = 90,000

Therefore, Ratan invested Tk. 90,000 in National Savings Certificate.

NRBC Bank PLC || Trainee Assistant Officer (TAO) (26-10-2024) || 2024

A. 72
B. 60
C. 30
D. 90

View Answer	Favorite Question

Answer: Option B

Explanation:

মনে করি,

মোট faculty members = x জন

মহিলা faculty members x/3 জন

পুরুষ faculty members x - x/3 = 2x/3 জন

অবিবাহিত পুরুষের সংখ্যা = 2x/3 - 2x/5 জন

= 10x - 6x / 15 জন = 4x/15 জন

প্রশ্নমতে,

4x/15 = 16

x = 16 × 15 / 4

x = 60জন

2594 . One third of Vindo's marks in Mathematics exceeds half of his marks in social studies by 30 , if he got 240 marks in the two subjects together , how many marks did he get in social studies?

A. 40
B. 60
C. 80
D. 10
E. None of them

View Answer	Favorite Question

Answer: Option B

Explanation:

2595 . One third the sum of 13 and a certain number is the same as one more than twice the number ----

A. 2
B. 3/4
C. 13
D. none of these

View Answer	Favorite Question

Answer: Option A

Explanation:

(13 + x)/3 = 2x + 1

13 + x = 6x + 3 m

or, 13 - 3 = 6x - x

or, 5x = 10

or, x = 2

2581 . On sunday the price of a share was TK. 560 . If the price of hte share was TK. 630 at the closing of the day, what was the percent increase in the price of the share for the day?

2582 . 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?

2583 . One fourth the price of a TV is equal to 1/6th the price of a refrigerator. If the total cost of the TV and the refrigerator is Tk 60000, what is the price of the TV?

2584 . One half of pole is deep into the soil under water, one-third of it is above the soil under water and two meters of it is above the water level. The total length of the pole in meter is-

2585 . One pipe can fill a pool in 6 hours, and a second pipe can fill the same pool in 12 hours. If both pipes work together, how long will it take to fill the pool?

2586 . One pipe can fill a pool in 6 hours and a second pipe can fill the same pool in 12 hours. If both pipes work together, how long will it take to fill the pool?

2587 . One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in :

2588 . One side of a rectangular field is 4 meters and its diagonal is 5 meters. The area of the field is--

2589 . One-third of a cylindrical oil tank is filled. If 3 more liters are added, a half of the tank will be filled. What is the capacity, in liters, of the tank?

2590 . One-third of a cylindrical oil tank is filled.If 3 more litters are added a half of the tank will be filled. What is the capacity in litters of the tank?

2591 . One third of Aman's marks in Mathematics exceeds a half of his marks in English by 30. If he got 240 marks in the two subjects together, how many marks did he get in English?

2592 . One-third of Ratan's investment in National Savings Certificate is equal to one-half of his investment in FDR. If he has Tk. 1,50,000 as total investment, how much he invested in savings certificate?

2593 . One third of the faculty members of a department are female. Sixteen of the male teachers are unmarried while 60% of them are married. The total number of faculty members in the department is_____

2594 . One third of Vindo's marks in Mathematics exceeds half of his marks in social studies by 30 , if he got 240 marks in the two subjects together , how many marks did he get in social studies?

2595 . One third the sum of 13 and a certain number is the same as one more than twice the number ----

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