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1051 Math

Which of the following is the lowest positive integer that is divisible by 8,9,10,11 , and 12?

A)7,920

B)5,940

C)3,960

D)2,970

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1052 Math

If a and b are two different prime numbers , which of the following is the smallest possible value of a+b ?

A)1

B)3

C)5

D)8

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1053 Math

3xy -20 +5x -12y =?

A)(x-4) (3y+5)

B)(x+4)(3y+5)

C)(x+4)(3y -5)

D)(x+3)(3y+5)

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1054 Math

while working 7 hour a day , A alone can complete a piece of work in 6 days and B alone in 8 days . In what time would they complete it together , 8 hour a day?

A)5 days

B)3 days

C)4 days

D)3.6 days

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1055 Math

P and O invested in a business. The profit earned was divided in the ratio 2 :3 . If P invested TK. 40000, the amount invested by Q is -

A)Tk.40000

B)TK. 50000

C)Tk. 70000

D)TK. 60000

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1056 Math

A B C subscribe TK. 50,000 for a business .A subscribes TK. 4000 more than B and B TK, 5000 more than C Out of a total Profit of TK. 35,000. A receives

A)Tk. 14,700

B)Tk. 1,900

C)Tk. 13,600

D)TK. 8400

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1057 Math

The angle of elevation of a ladder leaning against a wall is and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is

A)2.3 m

B)9.2 m

C)4.6 m

D)7.8 m

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1058 Math

The sum of the present ages of a father and his son is 60 years . Six years ago, father's age was five times the age of the son. After 6 years, son's age will be -

A)12 years

B)14 years

C)18 years

D)20 years

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1059 Math

The sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is -

A)40

B)44

C)80

D)88

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1060 Math

In a class , the number of girls is 20% more than that of boys. The strength of the class is 66. If 4 more girls are admitted to the class , the ratio of the number of boys to that of the girls is -

A)1:02

B)1:04

C)3:05

D)3:04

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1061 Math

If x: y =5:2 , then (8x+9y) : ( 8x +2y) is

A)29:22:00

B)22:29

C)26 : 61

D)61:26:00

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1062 Math

Two number are in the ratio 3:5 . If 9 is subtracted form each , the new numbers are in the ratio 1223. The smaller number is

A)27

B)33

C)49

D)55

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1063 Math

A monkey climbs a 60 m high pole.s In first minute he climbs 6 m and slips down 3 m in the next minute. How much time is required by it to reach the top?

A)35 minutes

B)33 mintutes

C)37 minutes

D)40 minutes

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1064 Math

Two trains 105 meters and 90 meters long, run at the speeds of 45 km/h and 72 km/h respectively , in opposite directions on parallel tracks. The time which they take to cross each other , is :

A)8 seconds

B)7 seconds

C)5 seconds

D)6 seconds

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1065 Math

The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance traveled downstream in 12 minutes is

A)1.2 km

B)3.6 km

C)1.8 km

D)2.4 km

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1066 Math

A bag contains 2 red, 3 green and 2 blue balls .Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

A)7-May

B)7-Feb

C)21-Oct

D)21-Nov

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1067 Math

The length of a rectangular plot is 20 meters more than its breadth . If the cost of fencing the plot at TK. 26.50 per meter is TK. 5300, what is the length of the plot in meters?

A)6

B)100

C)75

D)50

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1068 Math

which one of the following numbers can be removed from the set S ={ 0, 2, 4,5.9) without changing the average of set S ?

A)0

B)2

C)4

D)5

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1069 Math

Find the least number of five digits which when divided by 40, 60, and 75 , leave remainders 31 ,51 and 66 respectively .

A)10196

B)10199

C)10197

D)10191

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1070 Math

A trader sells his goods at a discount 20% . He still makes a profit of 25% . If he sells the goods at the marked price only, his profit will be:

A)56. 25%

B)25.56%

C)50.25%

D)54.25%v

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1071 Math

The cost price of 19 articles is same as the selling price of 29 articles. What is loss percentage?

A)52.30%

B)35.00%

C)34. 48%

D)30.00%

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1072 Math

A tank is filled in 5 hours by three pipes A,B and C The pipe C is twice as fast as B and B is twice as fast as A How much time will pipe A alone take to fill the tank?

A)20 hours

B)25 hours

C)35 hours

D)None of these

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1073 Math

What is the rate of simple interest for the first 4 years if the sum of TK. 360 becomes TK. 540 in 9 years and the rate of interest for the last 5 years is 6% ?

A)4%

B)5%

C)3%

D)6%

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1074 Math

What is the amount of equal installment , if a sum of TK. 1428 due 2 years hence has to be completely has to be completely repaid in 2 equal annual installments starting next year?

A)TK. 700

B)Tk. 800

C)Tk. 650

D)cannot be determined

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1075 Math

There is provision of food in fort for 1200 soldiers for 60 days .After 15 days . 200 soldiers leave the fort .Remaining food will last for how many days?

A)56 days

B)50 days

C)48 days

D)54 days

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1076 Math

If 2 men or 3 women or 4 boys can do a piece of work in 52 days, then the same piece of work will be done by 1 man . 1 woman and 1 boy in -

A)48 days

B)36 days

C)45 days

D)50 days

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1077 Math

In a zoo, there are Rabbits and Pigeons. It heads are counted s, there are 200 and if legs are counted there are 580. How many pigeons are there ?

A)90

B)100

C)110

D)120

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1078 Math

Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is -

A)9-Jan

B)9-May

C)9-Aug

D)9-Apr

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1079 Math

If the perimeter of a certain rectangle is 76 m and its area is 360 , then what is the length of its shortest side ?

A)13

B)15

C)18

D)10

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1080 Math

The simple interest received on a sum of money at the end of 10 years is two times of the principle. At the same rate of interest, what would be the ratio of principal and compound interest received at the end of two years?

A)25:11:00

B)20:11

C)20:09

D)None of these

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1081 Math

A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions . The number of choices available to him is .

A)140

B)196

C)280

D)346

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1082 Math

For what value of x is

A)2

B)3

C)4

D)6

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1083 Math

Three dice are thrown together . Find the probability of getting a total of at least 6 ?

A)

B)

C)

D)

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1084 Math

In a college Rahim scored 80 marks out of 150 in History and 95 marks out of 120 in English . If he wants to score 70% marks in 3 subjects, find the minimum marks she should score in Geography out of 100.

A)70

B)55

C)76

D)None of these

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1085 Math

If x .

A)12

B)6

C)8

D)10

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1086 Math

x can do a piece of work in 20 days and Y can do the 1/7th of the same work in 5 days. In how many days together they can complete the 11/14th of the total work?

A)15 days

B)20 days

C)10 days

D)12 days

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1087 Math

The circumference of the circle and teh perimeter of the square is equal and the ratio between the diameter of the circle and the side of the square is 7 :11 . What is the area of the circle ?

A)154

B)160

C)132

D)Can't be determined

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1088 Math

The average weight of teacher is also included, then the average weight is increased by 200 grams. Find the weight of the teacher?

A)93.6 kg

B)94 kg

C)93.4 kg

D)94.6 kg

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1089 Math

A train can cross another train of equal length coming form the opposite direction with the speed of 108 km/h in 3 minutes . The speed of the other train is 90 km/h. Find the length of the train .

A)5940 m

B)5490 m

C)4950 m

D)4590 m

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1090 Math

A can complete a piece of work in 12 days, A, B and C can complete the work in 6 days. Efficiency of B is 0.5 times the efficiency of A. In how many days C can complete the work alone?​

A)24 days

B)10 days

C)16 days

D)12 days

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1091 Math

A shopkeeper sold and item at 20% profit and another item at 10% loss. If the cost price of both the items is same, find overall profit percent.

A)7.55%

B)5%

C)6.00%

D)6.50%

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1092 Math

8 males and 6 females can do a piece of work in 5 days, 5 males and 6 females can complete the same work in 7 days . How many days will a female take to do the job, if she works alone?

A)135 days

B)142 days

C)110 days

D)126 days

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1093 Math

A is 30% more efficient than E How much time will they , working together , take to complete a job which A alone could have done in 23 days?

A)13 days

B)15 days

C)10 days

D)None of these

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1094 Math

The area of lawn is 460 . If the length is 15 percent more than the breadth of the rectangular field What is the length of the field?

A)15 m

B)26 m

C)34.5 m

D)None of these

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1095 Math

A boat can travel form point A to point B and return back to point a in 9 hours. Speed of the boat in still water is 8 km/h and the speed of the stream is 4 km/h. Find the distance between A and B.

A)18 km

B)27 km

C)36 km

D)45 km

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1096 Math

A 10% monthly salary increase resulted in a TK. 9000 per year increase in salary for an employee. What was his monthly salary before the increase?

A)Tk. 5000

B)Tk. 9000

C)TK. 7500

D)TK. 12000

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1097 Math

When a certain number is divided by 7 ,the remainder is 0. if the remainder is not 0 when the number is not 0 when the number is divided by 14 , then the remainder must be -

A)7

B)5

C)3

D)8

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1098 Math

A mixture of 20 kg of sprit and water contains 10% water. How much water must she added to mixture to raise the percentage of water to 25%

A)2

B)4

C)5 days

D)6

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1099 Math

X and Y start a business by investing a certain amount in the ratio 9: 16 . Both of them invest for an equal period of time . At the end of the term , X's share of profit is what per cent less than that of Y?

A)

B)60

C)

D)

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1100 Math

The average attendance of a college for the first three days of a week is 325 and first four days is 320. How many were present on the fourth day?

A)300

B)315

C)305

D)350

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