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Job Solution | Dutch-Bangla Bank Ltd

Dutch-Bangla Bank Ltd - Assistant Officer - 09.10.2009

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গণিত

1.

f(x) = -1, for all x>0. If f(a) = -1 and f(ab) = -1 then b = ?
Created: 2 months ago | Updated: 10 hours ago
1
2
-1
-3
None of these
2.

A wholesaler bought 1200 pens for TK 18 each . He sold 60% of the pens for TK. 30 each and remaining for TK. 15 each. What was his average profit per pen ?
Created: 2 months ago | Updated: 10 hours ago
Tk. 4
Tk. 6
Tk. 12
TK. 2003
None of these
3.

Rahim, Karim and James paid a total TK. 45 for their dinner at a restaurant . If Rahim paid of the total amount, Karim paid TK. 17 and James paid the rest then what fraction of the total amount did James pay ?
Created: 2 months ago | Updated: 10 hours ago
2
14
1
৭
None of these
4.

When Mr. Sen imports some raw materials he has to pay 7% import duty on the portion of the total value of the item in excess of TK. 1000. If the amount of import duty he paid was TK. 87.50 then what was the value of the raw material that he imported ?
Created: 2 months ago | Updated: 9 hours ago
TK. 1,250
TK.2,250
Tk. 2,500
TK. 2,750
None of these
5.

The charge of a room at Sheraton is 25% less than that of a room at Westin and 10% less than that of a room at Sonargaon . By what percent is the charge of a room at Westin is greater than that of Sonargaon ?
Created: 2 months ago | Updated: 10 hours ago
15%
১৭%
১৯%
২০%
None of these
6.

Due to the recession, a show room reported that revenue from luxury car sales were down by 11% and revenue from economy car sales were up by 7% . If the total revenue were up by 1% then what is the ratio of revenue from luxury car sales to revenue from economy car sales ?
Created: 2 months ago | Updated: 9 hours ago
3 :2
11:7
৪:৫
1:2
None of these
7.

A machine produces 1,000 units of plastic chair per hour . Working continuously at this rate, how many plastic chairs will this machine produce in a week ?
Created: 2 months ago | Updated: 10 hours ago
7,000
৬৮,০০০
268,000
168,000
None of these
8.

Topu earns TK. 5.00 for every hour he works. Last week he worked for x hours . He purchased y kg of rice. Price of per kg rice is TK. 12.00 . He saved the remaining amount . Which expression below shows his savings ?
Created: 2 months ago | Updated: 10 hours ago
TK. (5.00 + 12x + 12.00y)
TK. (5.00x - 12.00y)
TK. 5.00 (x - y)
TK. 7.00 (x - y)
None of these
9.

When a positive integer x is divided by a positive integer y the remainder is 9. If x = 96.12 then what is the value of y ?
Created: 2 months ago | Updated: 9 hours ago
৯৬
25
48
৭৫
None of these
10.

If x is an integer then which of the following must be odd ?
Created: 2 months ago | Updated: 9 hours ago
2x+2
13x
x
2x+3
None of these
11.

The capacity of computer memory is increasing exponentially . At the same time increased capacity is becoming available at cheaper rate. Two years ago 1GB RAM cost TK. 5,000. Now 4GB Ram is available at the same price. If this trend continues what capacity of RAM will you get for TK. 5,000 after 3 years time ?
Created: 2 months ago | Updated: 8 hours ago
32GB
80GB
60.72GB
76GB
None of these
12.

A wire that weight 24 kilogram is cut into two pieces so that one of these two pieces weigh 16 kilogram and is 34 meter long. If the weight of each piece is proportional to its length , how long is the other piece ?
Created: 2 months ago | Updated: 8 hours ago
68 meters
11 meters
17 meters
`34 meters
None of these
13.

If x% of 40 is y then 10x = ?
Created: 2 months ago | Updated: 9 hours ago
25y
100y
10y
4Y
None of these
14.

If the price of a dress is TK. 200 that includes 15% VAT, then what is the amount of VAT ?
Created: 2 months ago | Updated: 8 hours ago
TK. 30.00
TK. 26.09
TK. 32.09
TK. 31.85
None of these
15.

A glass was filled with 10 liters of water and 0.01 liter of water evaporated every day during a 20-day period . What percent of the original amount of water evaporated during the period ?
Created: 2 months ago | Updated: 10 hours ago
২০%
২২%
2.2%
2%
None of these
16.

Noman sells pens for TK. 65.00 each. This price gives him a profit of 30 percent on the costs. What will be the new retail price of each pen if he cuts his profit to 10 percent of costs ?
Created: 2 months ago | Updated: 10 hours ago
TK. 52.00
TK. 71.50
TK. 58.50
TK. 55.00
None of these
17.

Babu hired a labor to clean his garden for TK. 35.50. He was very happy with the cleaning and paid the labor bonus in addition to the original agreed TK. 35.50. If the bonus was more than 10 percent but less than 15 percent of the contract amount, then the total amount paid must have been between TK.
Created: 2 months ago | Updated: 10 hours ago
40 & 42
39 & 41
38 & 40
37 & 39
None of these
18.

There ar 200 students in a class. 76% passed in Bangla and 54% passed in English . If 10% of the students failed in both the subjects then how many of them passed in both subjects ?
Created: 2 months ago | Updated: 10 hours ago
৩০
50
40
80
None of these
19.

If N is to be served on Thursday, the earliest day on which R can be served is
Created: 2 months ago | Updated: 8 hours ago
Monday
Tuesday
Wednesday
Friday
20.

If S is to be served on Friday, M must be served on __
Created: 2 months ago | Updated: 8 hours ago
Monday
Tuesday
Wednesday
Thursday
21.

If Q is to be served on Thursday, the latest day on which M can e served is
Created: 2 months ago | Updated: 9 hours ago
Monday
Tuesday
Wednesday
Thursday
22.

Which of the following can be served on Monday?
Created: 2 months ago | Updated: 9 hours ago
n
P
Q
S
23.

If S to be served on Thursday, which of the following is true?
Created: 2 months ago | Updated: 8 hours ago
M must be served on Wednesday
N must be served on Saturday
Q must be served exactly two days after R is served
R must be served on Wednesday
24.

By how much is the value of { -10 - (-7) } greater than the value of { -10 + (-7) } ?
Created: 2 months ago | Updated: 9 hours ago
-20
20
০
14
None of these
25.

If n is a positive integer then what is the remainder when {3(8n + 3) + 2 } is divided by 5 ?
Created: 2 months ago | Updated: 8 hours ago
৪
1
0.4
None of these

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