556 . 1/5 of 30% of 0.60 = ?

A. 0.12
B. 0.13
C. 3.6
D. 0.36
E. 0.036

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Answer: Option E

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Bangladesh Bank - Officer(Cash) - 2011

A. 100
B. 150
C. 175
D. None of these

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Answer: Option B

Explanation:

10% of 3000 - 5% of 3000

= (10*3000)/100 - (5*3000)/100

= 300 - 150

= 150

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Bangladesh Bank - Assistant Director - 2001

A. 8%
B. 5%
C. 10%
D. 20%

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Answer: Option D

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559 . 10 man, working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days ?

A. 6
B. 10
C. 12
D. 15

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Answer: Option A

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560 . 10 men can survive for 24 days on 15 cans of food. How many total cans are needed for 8 men survive 36 days?

A. 15
B. 16
C. 17
D. 18
E. None of these

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Answer: Option D

Explanation:

10 men can servive 24 days on 15 cans

10 men can servive 1 days on 15/24 cans

10 men can survive 36 days on ( 15×36)/24

1 men can survive 36 days on ( 15×36)/(24×10) cans

8 men can survive 36 days on = (15×36×8)/(24×10) = 18

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561 . 10 men survive 24 days on 15 cans of food. How many cans needed for 8 men to survive 36 days?

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

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Answer: Option D

Explanation:

10 men can servive 24 days on 15 cans

10 men can servive 1 days on 15/24 cans

10 men can survive 36 days on ( 15×36)/24

1 men can survive 36 days on ( 15×36)/(24×10) cans

8 men can survive 36 days on = (15×36×8)/(24×10) = 18

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562 . 10 minutes after a plane leaves the airport, it is reported to be 40 miles away. What is the average speed in miles per hour of the plane?

A. 560
B. 400
C. 240
D. 200

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Answer: Option C

Explanation:

Hints:

Average speed = 40 miles /10 min = 40 miles /(10/60) hrs = (40× 60)/ 10 mph = 240 mph.

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সমন্বিত ব্যাংক অফিসার (ক্যাশ) || (02-06-2023)

A. 84
B. 80
C. 96
D. 98

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Answer: Option C

Explanation:

10%of 4800=480,

8%of 4800= 384,

So,(480-384)=96.

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Bangladesh Bank - Assistant Director - 2008

A. 29
B. 780
C. 979
D. 920

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Answer: Option D

Explanation:

Hints: y is 10% more than 125

So, y = 125 + 10% of 125

= 125 + 10/100 × 125

= 125 + 12.5

= 137.5

x is 10% less than y

x = 137.5 - 10% of 137.5

= 137.5 - ( 10/100 × 137.5)

= 137.5 - 13.75

= 123.75

x = 123.75

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565 . 100 oranges are bought at the rate of Tk. 350 and sold at the rate Tk. 48 per dozen. The percentage of profit or loss is :

A. 14.29% gain
B. 14.29% loss
C. 15% gain
D. 15% gain

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Answer: Option A

Explanation:

100 oranges cost 350tk

So, 1 orange costs (350/100)=3.5 tk

12 oranges selling for 48 tk

So, 1 orange selling for (48/12)=4 taka

Profit in 3.5 taka=(4-3.5)=0.5 taka

So, profit in 350 taka=(350×0.5)/3.5=50 taka

Now, (50×100)/300=14.29%

(ans)

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566 . 100×10-100+2000÷100=?

A. 29
B. 780
C. 920
D. 979

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Answer: Option C

Explanation:

100 × 10 - 100+ 2000 ÷ 100

= 1000 - 100 + 20

= 1000- 80

= 920

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পূবালী ব্যাংক লিমিটেড || জুনিয়র অফিসার (30-09-2023) || 2023

A. 20.0105
B. 20.1015
C. 20.0115
D. 20.0015

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Answer: Option C

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পূবালী ব্যাংক লিমিটেড || জুনিয়র অফিসার (30-09-2023) || 2023

A. 90
B. 45
C. 95
D. 40

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Answer: Option D

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জনতা ও রূপালী ব্যাংক- অফিসার ১৩.১২.২০১৯

A. 14 years
B. 16 years
C. 18 years
D. 20 years
E. None of these

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Answer: Option B

Explanation:

Manick এর বর্তমান বয়স  =  12; Rahul  =  123123  = 4
ধরি, Manick x বছরে পরে হবে Rahul এর twice old.
তাহলে 12  +  x  =  2(4  +  x)
 x  =  4
তাহলে Manick এর required age  =  12  +  4  =  16 years.

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570 . 120 students in a class play cricket or football or both. If 75 students play cricket and 60 students play football, how many play both?

A. 15
B. 16
C. 76
D. 38

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Answer: Option A

Explanation:

শুধু ক্রিকেট খেলে = 75 জন

এবং ফুটবল খেলে = 60 জন

ক্রিকেট ও ফুটবল খেলে = 75 + 60 = 135 জন

মোট ছাত্র 120 জন হলে তাদের মধ্যে উভয়টি খেলে = 135 - 120 = 15 জন ।

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556 . 1/5 of 30% of 0.60 = ?

557 . 10% of 3000 is how much more than 5% of 3000 ?

558 . 10% of 80 is equal to what percentage of 40?

559 . 10 man, working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the same work in 12 days ?

560 . 10 men can survive for 24 days on 15 cans of food. How many total cans are needed for 8 men survive 36 days?

561 . 10 men survive 24 days on 15 cans of food. How many cans needed for 8 men to survive 36 days?

562 . 10 minutes after a plane leaves the airport, it is reported to be 40 miles away. What is the average speed in miles per hour of the plane?

563 . 10 percent of 4800 is how much more than 8% of 4800?

564 . 100*10-100+2000/100=?

565 . 100 oranges are bought at the rate of Tk. 350 and sold at the rate Tk. 48 per dozen. The percentage of profit or loss is :

566 . 100×10-100+2000÷100=?

567 . 12.1212 + 17.0005 - 9.1102 = ?

568 . 12 students working for 5 hours a day can solve a certain number of problems in 8 days. How many students are needed to solve. Five times the original number of problems, if they work at 4 hours a day for 15 days?

569 . 12 year old Manick is three times as old as his brother Rahul. How old will Manick be when he is twice as old as Rahul?

570 . 120 students in a class play cricket or football or both. If 75 students play cricket and 60 students play football, how many play both?

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