1216 . A year ago the price of a toothbrush and the price of a comb were both Tk.50. The price of the toothbrush was increased by 20% while the price of the comb was decrrased by 10%. What is the difference in Taka between the current price of the toothbrush an

A. 5
B. 10
C. 15
D. 20

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Answer: Option C

Explanation:

গ্যাস ট্রান্সমিশন কোম্পানি লিমিটেড | সহকারী ব্যবস্থাপক | ২০.০৪.২০১৮

A. 40
B. 50
C. 60
D. 30
E. None of these

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Answer: Option B

Explanation:

Let the number of horse is x

then pigeons are (80 - x)

A/Q,

4x + 2(80 - x) = 260

4x + 160 - 2x = 260

2x = 260 - 160

2x = 100

x = 50

The number of horses is 50.

Bangladesh Bank - Assistant Director - 2009

A. 40
B. 30
C. 50
D. 60

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Answer: Option C

Explanation:

Let the number of horse is x

then pigeons are (80 - x)

A/Q,

4x + 2(80 - x) = 260

4x + 160 - 2x = 260

2x = 260 - 160

2x = 100

x = 50

The number of horses is 50

1219 . ABC Ltd. is considering increasing the production level . What is the approximate marginal cost of increasing production form its July level of 40 units to 41 units?

A. 160
B. 150
C. 130
D. 110

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Answer: Option C

Explanation:

The variable cost at 40 units production is 4000 and at 46 units is around 4800 – the graph is almost a straight line between these two points. Thus the marginal cost of increasing production from 40 units =

1220 . ABCD is a square, EFGH is arectangle, AB = 3, EF = 4, FG = 6. Determine the area of the region outside of ABCD and inside of EFGH.

A. 24
B. 9
C. 18
D. 15

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Answer: Option D

Explanation:

Area of the square = 3^2=9

Area of the rechangle = 4×6=24

∴Area of region outside of ABCD & inside of EFGH=24 - 9 = 15

1221 . Abu sold his cricket bat for tk 160 and his ball for tk 96. He made a profit of 20% on his ball and took a 10% loss on his cricket bat . He ended up with a-

A. Loss of Tk 1.78
B. Loss of Tk. 1.50
C. Gain of Tk. 3.20
D. Gain of Tk 7.30
E. None of these

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Answer: Option C

Explanation:

বাংলাদেশ বনশিল্প উন্নয়ন কর্পোরেশন সহকারী ব্যবস্থাপক-০২.০৮.২০১৩

A. 920
B. 1,100
C. 1,110
D. 1,030
E. 1,490

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Answer: Option C

Explanation:

Health insurance = 750 firms

Dental insurance = 640 firms

Both Health and Dental insurance = 280 firms

Either Health insurance or Dental Insurance = (750 + 640 - 280) = 1110 firms

Bangladesh Bank - Assistant Director - 2006

A. 12%
B. 10%
C. 13%
D. 14%

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Answer: Option C

Explanation:

1224 . Afia can do her term paper in 15 days which takes Babul 20 days to finish . What is the fraction of work left if both afia & Babul work together for 4 days?

A. 1/4
B. 1/10
C. 7/15
D. 8/15
E. None of these

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Answer: Option D

Explanation:

In 15 days Afia does 1 portion

In 4 days Afia does 4/15 portion

Again, In 20 day's Babul does 1 portion

In 4 days Babul does 4 /20 portion

Afia and Babul work together in 4 days

= 4/15 + 4/20 = 7/15 portion

left = 1 - 7/15 = 8/15 portion.

1225 . After 3 semesters in college , jim has a 3.0 GPA. What GPA must jim attain in his fourth semesters if he wishes to raise his GPA to a 3.1 ?

A. 2.7
B. 3.1
C. 3.3
D. 3.4
E. 3.5

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Answer: Option D

Explanation:

In 3 semester total GPA = 3 × 3 = 9

In 4 semester total GPA = 4 × 3.1 = 12.4

In 4th semester GPA required = 12.4 - 9 = 3.4

Bangladesh Bank - Assistant Director - 2009

A. 20
B. 8
C. 5
D. 3.2

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Answer: Option B

Explanation:

২য় বাউন্সের পরে উঠবে =২/৫ × ১২৫

৩য় বাউন্সের পরে উঠবে = ২/৫ × ২/৫ × ১২৫

৪র্থ বাউন্সের পরে উঠবে = ২/৫ × ২/৫ × ২/৫ × ১২৫ = ৮

Sonali Bank Ltd. Senior Officer Recruitment 01.06.2018

A. 315
B. 358
C. 368
D. 322

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Answer: Option B

Explanation:

1228 . After dividing a postie integer, Y, by 3, the remainder is 2, but when Y is divided by 7, the remainder is 4 . what is the least possible value of Y?

A. 11
B. 22
C. 18
D. 32

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Answer: Option A

Explanation:

Sonali &amp- Janata Bank Ltd. Senior Officer (IT/ICT) 08.06.2018

A. 20
B. 21
C. 12
D. 18

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Answer: Option A

Explanation:

Fuel used from Q to R = 1 - (2/5 + 1/4) = 1 - 13/20 = 7/20

Now, 7/20 of capacity = 7 gallons

So, full capacity = 7 x 20/7 = 20 gallons

1230 . After fillings the car's fuel tank, a driver drove from P to Q and then to R. He used 2/5th portion of the fuel driving from P to Q. If she used another 7 liters to drive from Q to R and still had 1/4th of the tank left, how many liters does the tank hold?

A. 12
B. 18
C. 20
D. 21

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Answer: Option C

Explanation:

Let,The tank hold = 1 litresSo,After driving from P to Q, the tank left,1 - 2/5 = 3/5Let, he used x litre to drive from Q to R.Then,3/5 - x = 1/4 => 12 -20x = 5=> 20x = 12-5 = 7 => x = 7/20Now, According to the question,7/20 means = 7So, 1 means = (7×20)/7 = 20 So, the tank hold 20 litres.Ans. 20

সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || অফিসার জেনারেল (10-03-2023)

1216 . A year ago the price of a toothbrush and the price of a comb were both Tk.50. The price of the toothbrush was increased by 20% while the price of the comb was decrrased by 10%. What is the difference in Taka between the current price of the toothbrush an

1217 . A Zoo keeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be 260. If the zoo had either pigeons or horses, how many horses were there in the zoo ?

1218 . A zookeeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be260. If the zoo had either pigeons or horses, how many horses were there in the zoo?

1219 . ABC Ltd. is considering increasing the production level . What is the approximate marginal cost of increasing production form its July level of 40 units to 41 units?

1220 . ABCD is a square, EFGH is arectangle, AB = 3, EF = 4, FG = 6. Determine the area of the region outside of ABCD and inside of EFGH.

1221 . Abu sold his cricket bat for tk 160 and his ball for tk 96. He made a profit of 20% on his ball and took a 10% loss on his cricket bat . He ended up with a-

1222 . According to a survey of business firms in a certain city, 750 firms offer their employees health insurance , 640 offer dental insurance and 280 offer health insurance and dental insurance. How many firms offer their employees health insurance or dental

1223 . According to the recent Bangladesh Bank's order, what can be the maximum lending rate of a Commercial Bank?

1224 . Afia can do her term paper in 15 days which takes Babul 20 days to finish . What is the fraction of work left if both afia & Babul work together for 4 days?

1225 . After 3 semesters in college , jim has a 3.0 GPA. What GPA must jim attain in his fourth semesters if he wishes to raise his GPA to a 3.1 ?

1226 . after been dropped a certain ball always bounces back to 2/5 of the height of its previous bounce.after the first bounce it reaches a height of 125 inches .how heigh will it reach after four bounce

1227 . After distributing the chocolates equally among 25 kids, 8 chocolates remain . Had the number of children been 28 , 22 chocolates would have been left after equally distributing. Find the total number of chocolates?

1228 . After dividing a postie integer, Y, by 3, the remainder is 2, but when Y is divided by 7, the remainder is 4 . what is the least possible value of Y?

1229 . After filling the car's fuel tank, adriver drove from P and Q and then to R. He used 2/5 of the fuel driving from P and Q. If he used another 7 gallons to drive from Q to R and still had 1/4 of the tank full, what is the capacity of the tank in gallons?

1230 . After fillings the car's fuel tank, a driver drove from P to Q and then to R. He used 2/5th portion of the fuel driving from P to Q. If she used another 7 liters to drive from Q to R and still had 1/4th of the tank left, how many liters does the tank hold?

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