Bangladesh Krishi Bank

Krishi Bank - Assistant Officer - 22.06.2007

সালঃ ২০০৭

১. A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount price during a special sale , what would be the lowest possible price of a toy costing TK. 16 before any discount ?

TK. 5.60

TK. 7.20

TK. 8.80

TK. 9.60

TK. 15.20

২. Which of the following numbers is greater than three-fourths of the numbers but less than one-fourth of the numbers in list above ?

৩. The organizers of a fair projected a 25 percent increase in attendance this over that of last year but attendance this year actually decreased by 20 percent. What percent of the projected attendance was the actual attendance ?

45%

56%

64%

75%

80%

৪. The value -3-(-10) is how much greater than the value of -10-(-3) ?

৫. A rectangular box ix 10 inches wide, 10 inches long and 5 inches high . What is the greatest possible (straight line) distance , in inches, between any two points on the box ?

৬. An empty swimming pool with a capacity of 5,760 gallons is filled at a rate of 12 gallons per minute. How many does it take to fill the pool to capacity ?

480

720

৭. A rope of 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other , what is the length , in feet, of the shorter piece ?

৮. The cost of picture frame M is TK. 10.00 less than 3 times the cost of picture frame N. If the cost of frame M is TK. 50.00 , what is the cost of frame N?

TK. 13.33

TK. 16.66

TK. 20.00

TK. 26.66

TK. 40.00

৯. If the length and width of a rectangular garden plot were each increased by 20 percent, what would be the percent increase in the area of the plot ?

20%

25%

35%

40%

44%

১০. If 18 is 15 percent of 30 percent of a certain number, what is the number ?

400

১১. A train travels from New York to Chicago, a distance of approximately 840 miles, at an average rate of 60 miles per hour and arrives in Chicago at 6:00 in the evening , Chicago time . At what hour in the morning, New York City time, did the train depart for Chicago time . At what hour in the morning , New York City time, did the train depart for Chicago ? ( Chicago time is one hour earlier than New York City time.)

4 : 00

5 : 00

6 : 00

7 : 00

8 : 00

১২. Maria purchased brand X pens for TK. 4.00 a piece and brand Y pens for TK. 2.80 a piece. If Maria purchased a total of 12 of those pens for TK. 42.00, how many brand X pens did she purchase ?

১৩. If the population of a certain country increases at the rate of one person every 15 seconds , by how many persons does the population increase in 20 minutes ?

100

150

240

300

১৪. In a survey of the people in Dhaka, it was found that 65% of the people surveyed watched the news on television , 40% read a newspaper, and 25% read a newspaper and watched the news on television . What percent of the people surveyed neither watched the news on television nor read a newspaper ?

10%

15%

20%

১৫. The average of 6 numbers is 8.5, when one number is discarded the average of the remaining numbers becomes 7.2 . What is the discarded number ?

7.8

9.8

10.0

12.4

15.0

১৬. 3.003/2.002 = ?

1.05

1.50015

1.501

1.5015

1.5

১৭. If b < 2 and 2x - 3b = 0, which of the following must be true ?

x>-3

x<2

x=3

x<3

x>3

১৮. What is the least integer that is a sum of three different primes each greater than 20 ?

১৯. Which of the following equations is not equivalent to $25 x^{2} = y^{2} - 4$

$25 x^{2} + 4 = y^{2}$

$75 x^{2} = 3 y^{2} - 12$

$25 x^{2} = (y + 2) (y - 2)$

$5 x = y - 2$

None of the above

২০. if $(x - 1)^{2} = 400, W h i c h o f t h e f o l l o w i n g c o u l d b e t h e v a l u e o f x - 5 ?$

-24

-25

-26

২১. $I f u > t, r > q, s > t, t > r, W h i c h o f t h e f o l l o w i n g m u s t b e t r u e ?$ $10^{k}$

I only

II only

III only

I and II only

II and III only

২২. If k is an integer and and .0010101x $10^{k}$ is greater than 1000, what is the least possible value of k?

3:5

48% $P_{2} O_{5}$

২৩. If x=1 then $- (x^{4} + x^{3} + x^{2} + x) =$

-10

-4

২৪. If n is a positive integer and k+2=3n, Which of the following could be a value of k?

২৫. If n is a positive integer, then n(n+1)(n+2) is

even only when n is is even

even only when n is odd

odd only when n is odd

divisible by 3 only when n is odd

divisible by 4 whenever n is positive

RightAns: 0 | WrongAns: 0 | Result: 0/0