জব প্রিপারেশন

15601 Math

Of the total amount that Jill spent on a shopping trip, excluding taxes, she spent 50% on clothing 20% on food, and 30% on other items. If Jill paids 4% tax on clothing , on tax on the food, and an 8% tax on all other items, then the total tax that she paid was what percent of the total amount that she spent, excluding taxes?

A)3.60%

B)4.40%

C)5.20%

D)None of these

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15602 Math

Company C produces toy trucks at a cost of Tk. 5 each for the first 100 trucks and Tk. 3.5 for each additional truck. If 500 toy trucks were produced by the company C and sold for Tk. 10 each, what was company C's gross profit?

A)Tk. 3500

B)Tk. 3250

C)Tk. 3100

D)None of these

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15603 Math

The population of a bacteria culture doubles every 2 minutes. Approximately how many minutes with it take for the population to grow from 1,000 to 500,000 bacteria?

A)10

B)12

C)14

D)18

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15604 Math

In the correctly worked addition problem shown, where the sum of the two-digit positive integers AB and BA is the three-digit integer AAC, and A, B, and C are different digits, what is the units digit of the integer AAC?

A)9

B)6

C)

D)3

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15605 Math

Company K'a earnings were Tk. 12 million last year. If this year's earnings are projected to be 150% greater than last year's earnings, what are Company K's projected earnings this year?

A)Tk. 13.5 million

B)Tk. 18 million

C)Tk. 27 million

D)none of these

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15606 Math

Last year Salem received 26 paychecks. Each of his first 6 paychecks was Tk.750; each of his remaining paychecks was Tk. 30 more than each of his first 6 paychecks. To the nearest taka, what was the average amount of his paychecks for the year?

A)Tk. 752

B)Tk. 755

C)Tk. 765

D)None of these

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15607 Math

The arithmetic mean of the list of numbers given below is 4. If K and m are integers and k#m, what is the median of the list ? [Given list -3, k, 2, 8, m, 3]

A)2

B)2.5

C)3

D)None of these

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15608 Math

If xy>0 and yz<0, which of the following must be negative?

A)xyz

B)xyz2

C)zy2z

D)xy2z2

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15609 Math

What is the remainder when 324 is divided by 5?

A)

B)1

C)2

D)3

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15610 Math

A dishonest trader mixes 2kg of vegetable ghee costing Tk. 45 a kg with 3 kg of standard ghee costing Tk. 70 per kg. He sells the mixed ghee at Tk. 65 per kg. What is his percentage of profit?

A)25%

B)16.67%

C)8.33%

D)6%

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15611 Math

If positive integers x and y are not both odd, which of the following must be even?

A)xy

B)x+y

C)x-y

D)x+y-1

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15612 Math

If the numbers 17/24, 1/2, 3/8, 3/4 and 9/16 were ordered greatest to least, the middle number of the resulting sequence would be ----

A)8-Mar

B)4-Mar

C)16-Sep

D)None of these

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15613 Math

Last year if 97% of the revenues of a company came from domestic sources and the remaining revenues, totaling Tk. 4,50,000, came from foregin sources, what was the total of the company's revenues?

A)Tk. 1,350,000

B)Tk. 1,500,000

C)Tk. 4,500,000

D)None of these

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15614 Math

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

A)20%

B)24%

C)36%

D)44%

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15615 Math

Salem earns Tk. 8.50 per hour on days other than Sundays and twice that rate on Sundays. Last week he worked a total of 40 hours, including 8 hours on Sunday. What were her earnings for the week?

A)Tk. 272

B)Tk. 340

C)Tk. 398

D)Tk. 408

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15616 Math

If a, b and c are constants, a>b>c, and x3-x=(x-a)(x-b)(x-c) for all numbers x, what is the value of b?

A)-3

B)-1

C)

D)1

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15617 Math

The persons, X & Y, are standing 50 yards apart on a North-South axis. X walks 65 yards to west and Y walks 55 yards to the East and both stop. Find the straight line distance in yeards between these two positions?

A)120

B)170

C)130

D)140

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15618 Math

If 3/x=2 and y/4=3, then 3+y/x+4=?

A)30/11

B)9-Oct

C)16-Sep

D)None of these

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15619 Math

A ferry can travel twice as fast when empty as when it is full. It travels 20 mile with full load, spends 1 hour for unloading and returns to its original port empty. It took 11 hours to complete the journey. What is the speed when the ferry is empty?

A)5

B)6

C)6.5

D)None of these

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15620 Math

A man left Tk. 5000 to his three sons X, Y and Z. For every Taka X received, Y received Tk. 1.5 and Z received Tk. 2.5. How much money was left to Y?

A)Tk. 750

B)Tk. 1000

C)Tk. 1200

D)Tk. 1500

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15621 Math

Six persons A, B, C, D, E, and F are standing in a circle. B is between F and C; A between E and D. F is in the left of D. Who is between A and F?

A)B

B)C

C)D

D)E

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15622 Math

Which number will complete the series 1,3,7,15,31,63------?

A)123

B)125

C)127

D)129

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15623 Math

If in a certain language PRIVATE is 1234567 and RISK is coded as 2398, how is TRIVETS coded in the language?

A)6875431

B)6234769

C)7246598

D)None of these

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15624 Math

If 42.42=k(14+m/50), where K and m are positive integers and m<50, then what is the value of k+m?

A)7

B)8

C)9

D)10

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15625 Math

If (2x-1)2=100, then which one of the following could equal x?

A)-5.5

B)-4.5

C)2-Nov

D)13/2

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15626 Math

A rectangular field is 3. 2 yards long. A fence marking the boundary is 11.2 yards in length. What is the area of the fields in square yard?

A)4.65

B)7.68

C)9.28

D)11.29

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15627 Math

The seventh number in a sequence of numbers is 31 and each number after the first number in the sequence is 4 less than the number immediately preceding it. What is the fourth number in the sequence?

A)15

B)19

C)35

D)43

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15628 Math

One day, Mr. Karim started 30 minutes late from home and reached his office 50 minutes late, while driving 25% slower than his usual speed? How much time in minutes does Mr. Karim usually take to reach his office from home?

A)20

B)40

C)60

D)80

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15629 Math

If x+y=7 and x2+y2=25, then which one of the following equals the value of x3+y3?

A)25

B)35

C)65

D)91

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15630 Math

A worker is hired for 7 days. Each day, he is paid 10 Tk. more than what he is paid for the preceding day one work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?

A)90

B)138

C)153

D)160

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15631 Math

In a factory, there are workers, executives and clerks. 59% of the employees are workers, 460 are executives and the remaining 360 employees are clerks. How many employees are there in the factory?

A)1500

B)2000

C)2500

D)3000

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15632 Math

A survey of n people in the town of X found that 50% of them prefer Brand A. Another survey of 100 people in the town of Y found that 60% prefer Brand A. In total, 55% of all the people surveyed together prefer Brand A. What is the total number of people surveyed?

A)250

B)200

C)170

D)150

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15633 Math

Which set of numbers is like the given set [48,24,12] ?

A)[46,22,11]

B)[44,22,10]

C)[42,20,10]

D)[40,20,10]

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15634 Math

A shopkeeper purchases 70kg of potatoes for Tk. 420 ans sold the whole lot as the rate of Tk. 6.50 per kg. What will be his gain in percentage ?

A)4.17%

B)6.25%

C)8.33%

D)20%

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15635 Math

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank what time ?

A)4 1/3 hrs

B)7 hrs

C)8 hrs

D)14 hrs

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15636 Math

If p-q=3 and p^2+q^2 = 29, find the value of pq.

A)7

B)8

C)9

D)10

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15637 Math

If m and n are whole numbers such that m^n = 121, the value of (m-1)^n+1 is

A)1

B)10

C)100

D)1000

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15638 Math

A culprit was spotted by a policeman from a distance of 250 meter. When the policeman started running towards the culprit at a speed of 10 km/h, the culprit also fled. If his speed was 8 km/h, find how far the culprit had run before he was overpowered.

A)1km

B)1.5 km

C)2 km

D)0.8 km

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15639 Math

A shopkeeper sells a pair of sunglasses at a profit of 25%. If he had bought it at 25% less and sold it for Tk. 10 less, he would have gained 40%. Determine the cost price of the pair of sunglasses.

A)Tk. 25

B)Tk. 50

C)Tk. 60

D)Tk. 75

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15640 Math

A tea merchant blends 2 kinds of tea, putting in 3 parts of a Tk. 25 per kg grade to 1 part of a Tk. 15 per kg. If the mixture is changed to 1 part of the Tk. 25 per kg grade to 3 parts of the less expensive grade, how much will the shop lose or save in blending 200 kg?

A)lose Tk. 500

B)loss Tk. 1,000

C)save Tk. 1,500

D)save Tk. 1,000

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15641 Math

A man has Tk. 210 in coins alone. The coins consist of one taka, 50 paisa and whose numbers form a ratio of 5 : 6 : 8 respectively. How many coins are there in the 50 paisa denomination?

A)210

B)168

C)126

D)105

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15642 Math

The difference between the compound interest and simple interest on a certain amount of money at 5% per annum for 2 years is Tk. 15. Find the principal amount.

A)Tk. 4,500

B)Tk. 7,500

C)Tk. 5,000

D)Tk. 6,000

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15643 Math

In order to pass an examination, a student is required to get 35% of the maximum marks. If a student scored a total of 381 marks and failed by 144 marks, determine the maximum marks for the examination.

A)1,350

B)1,500

C)1,750

D)2,000

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15644 Math

The cost of preparing a cricket ground of rectangular shape at 70 paisa per square meter is Tk. 420. Find the perimeter of the field if its sides are in the ratio of 3 : 2.

A)100m

B)50m

C)110m

D)600m

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15645 Math

The number (6n²+ 6n) for natural n is always divisible by

A)6 only

B)12 only

C)6 and 12

D)18

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15646 Math

For which of the following values of n is 100+n/n not an integer?

A)1

B)2

C)3

D)4

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15647 Math

Robi has 10 pairs of matched socks. If he loses 7 individual socks, what is the greatest number of pairs of matched socks he can have left?

A)7

B)6

C)5

D)4

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15648 Math

In a certain population, there are times as many people aged 21 or under as there are people over 21. The ratio of those 21 or under to the total population is :

A)1 to 2

B)1 to 3

C)1 to 4

D)2 to 3

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15649 Math

If the sum of three consecutive integers is odd, then the first and the last integers must be -

A)odd, even

B)odd, odd

C)even, odd

D)even, even

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15650 Math

Of 30 applicants for a job, 14 had at least 4 years' experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree?

A)14

B)13

C)9

D)7

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