121 . A person saves Tk. 5000 in his bank account . If the bank gives 10% annual profit , how much will be his balance after 6 years?

A. Tk. 3000
B. Tk. 5000
C. Tk. 7000
D. Tk. 8000

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Answer: Option D

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Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018

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122 . A picnic attracts 240 persons. There are 20 more men than women and 20 more adults than children . How many men are at this picnic?

A. 250
B. 75
C. 110
D. 200

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Answer: Option B

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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018

A. 110
B. 130
C. 200
D. 240
E. 75

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Answer: Option E

Explanation:

Let, Number of women x

so, Number of men = x + 20

so, x + x + 20 = 240

বা, 2x = 220

বা, x = 110

Number of women 110

and Number of men = 110 + 20 = 130

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124 . A police man spots a mugger from a distance of 200 meters. As the police man starts chasing the mugger, the mugger also starts also starts running. Given that the speed of the mugger is 10 km/h and that of the police man is 12 km/h, how far would have the mugger run before he is caught?

A. 3 km
B. 4 km
C. 2 km
D. 1 km
E. None of these

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Answer: Option D

Explanation:

Lets say the mugger ran for T hours before being caught.

200 meters = 0.2 km

ATQ, 12T = 10T + 0.2

Or, 12T - 10T = 0.2

Or, T = 0.1 hour

So, he ran = 10T = 10 x 0.1 = 1 km.

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125 . A polygon that has 10 sides is called

A. Heptagon
B. Decagon
C. Hexagon
D. Octagon

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Answer: Option B

Explanation:

A polygon with 10 sides is called decagon. While a polygon with 8 and 12 sides are octagon and Dodecagon respectively.

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126 . A polygon with 25 sides a can be triangulated into ___

A. 23
B. 20
C. 22
D. 21

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Answer: Option A

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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018

A. 9!+10!
B. 2 × 10!
C. 9! × 10!
D. 9!

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Answer: Option B

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প্রবেশনারি অফিসার | 02-04-2022

A. 4 ( 1 3 ) hours
B. 14 hours
C. 7 hours
D. 8 hours

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Answer: Option B

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129 . A rectangular floor that measures 8 meters by 10 meters is to be covered with carper that each measure 2 meters by 2 meters. If the carpet cost Tk. 12 a piece, what is the total cost to cover the floor?

A. Tk. 200
B. Tk. 240
C. Tk. 480
D. Tk. 960

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Answer: Option B

Explanation:

area of rectangular floor = 8*10 = 80 meter-meter

area of carpet = 2*2 = 4 meter-meter

number of carpet needed = 80/4 = 20

So, the total cost to cover the floor = 20*12 = 240 tk (Ans)

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130 . A researcher computed the mean , median and standard deviation for a set of performance score . If 5 were to be added to each score , which of these three statistics would change ?

A. The mean only
B. The median only
C. The standard deviation only
D. The mean and median only
E. The mean and the standard deviation only

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Answer: Option D

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Bangladesh Bank - Assistant Director - 2011

A. 30%
B. 20%
C. 40%
D. 50%

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Answer: Option D

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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &amp- Assistant Programmer-০৮/১০/২০২১

A. Tk. 198
B. Tk. 216
C. Tk. 220
D. Tk. 230

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Answer: Option B

Explanation:

Wholesale cost of video recorder = 200 $
Video recorder was priced at 20 percent above 200 = 240 $

% discount given by store employee = 10
Emlpoyee paid = .9 * 240 = 216 $

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সমন্বিত ৯ ব্যাংক | 07-01-2022 ||

A. 32 %
B. 36 %
C. 47 %
D. 51 %

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Answer: Option C

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

A. 45: 56
B. 45:51
C. 47 : 56
D. 47 : 51

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Answer: Option A

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অফিসার (ক্যাশ ) - Sonali | Rupali | BD Krishi | Rajshahi Krishi Unnayn | Investment Corporation Of Bangladesh - ২৯. ০৩.২০১৯

A. 30%
B. 37%
C. 23%
D. 27%

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Answer: Option A

Explanation:

Let the cost price = Tk.100

Therefore, Selling price = 100×117100 = Tk.117100×117100 = Tk.117

Therefore, Marked price = 117×10090 = 130117×10090 = 130

Therefore, Profit Percentage = (130−100)100×100 = 30%

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Officer (General) -Ansar VDP Unnayan | BD House Building Finance Corporation 28.09.2018

121 . A person saves Tk. 5000 in his bank account . If the bank gives 10% annual profit , how much will be his balance after 6 years?

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122 . A picnic attracts 240 persons. There are 20 more men than women and 20 more adults than children . How many men are at this picnic?

123 . A picnic was attended by 240 persons. There were 20 more men than women and 20 more adults then children. How many men were there in the picnic?

124 . A police man spots a mugger from a distance of 200 meters. As the police man starts chasing the mugger, the mugger also starts also starts running. Given that the speed of the mugger is 10 km/h and that of the police man is 12 km/h, how far would have the mugger run before he is caught?

125 . A polygon that has 10 sides is called

126 . A polygon with 25 sides a can be triangulated into ___

127 . A popular website requires users to create a password consisting of digits only. If no digit may be repeated and each password must be at least 9 digits long, how many passwords are possible ?

128 . A pump can fill a tank with water in 2 hours . Because of a leak , it took 213213 hours to fill the tank.The leak can drain all the water of the tank in -

129 . A rectangular floor that measures 8 meters by 10 meters is to be covered with carper that each measure 2 meters by 2 meters. If the carpet cost Tk. 12 a piece, what is the total cost to cover the floor?

130 . A researcher computed the mean , median and standard deviation for a set of performance score . If 5 were to be added to each score , which of these three statistics would change ?

131 . A restaurant makes 20% profit after selling a set menu at a discount of 20% . What is the percentage increase of marked price?

132 . A retail appliance store priced a video recorder at 20 precent above the wholesale cost of Tk. 200. If a store employee applied the 10 percent employee discount to the retail price to buy the recorder, how much did the employee pay for the recorder?

133 . A school has a total of 90 students. There are 30 students taking Physics, 25 taking English, and 13 taking both. Approximately what percentage of the students is taking either Physics of English?

134 . A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is -

135 . A shopkeeper gains 17% after allowing a discount of 10% on the marked price of an article . Find his profit percent if the article is sold at marked price allowing no discount .

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