### জাহাঙ্গীরনগর বিশ্ববিদ্যালয়

#### E ইউনিট

21/x

x -1

x -2

2x

666

660

720

21

25

41

67

2 kg

2.4 kg

2.5 kg

None of these

55

60

62

None of these

10 square unit

square unit

5 square unit

None of these

11 : 14

14 : 11

25 : 28

28 : 25

x =4

y =9

2x = 3y

2x + 3y =2

15%

18%

20%

22.5%

51

45

33

27

An odd number

Divisible by 4

An even number

Either B or C

5

3

x<3

x <2

x =3

x>-3

80%

75%

100%

None of these

##### 16. A shipping clerk has five boxes of different but unknown weights each weighing less than 100 kg. sThe clek weighs the boxes in pairs. The weights obtained are 110, 112, 113 , 114 , 115,116,117,118,120 and 121 kg . What is the weight of the heaviest box?

60 kg

62 kg

64 kg

Cannot be determined

15

10

18

12

40

75

70

80

4%

8%

6%

5%

5%

7.5%

10%

12%

decreased by 8%

decreased by 4%

increased by 8%

increased by 4%

450

400

500

520

90 degree

105 degree

110 degree

120 degree

1000

1200

1500

2000

11%

10.5%

33.3%

48.3%

32.2%

12.1%

33.3%

48.3%

7

8

6

5

15

18

20

25

3 : 7

2 : 7

4: 21