7. c. Contradicted
18.d.acquitted, tarnished
19.a. on, of
20.b.at,on,in
21.b.freezes, turns
22.b. had revised
23.d.had more than doubled
24.d.she with whom you share your ideas,not I
25.b. that e-Tin forms be submitted
26.d. Shabby
27.c. hostility
28.c.docile
29. devious 
30.b.ordinary
31.d.pharmaceutical
32.a. A man of no substance
?????????? ? ?????? ??????

57. Hyperlink
58. Bug
59.Operating system
60. Yandex
61.fixing
62.ctrl+z
63.+880
64.Mariyana Trench
65.KSA
66.400,266
67.14 november
68.ODI
69.Dhaka
70.Q cash
71.2 tk
72.Mirsarai
73.BB
74.IMF
75.State bank of india
76.Akihito
77.Paris agreement
78.Excise duty
79.BKB
80.Financial inclusion

MATH:

1. If n is an even integer, which of the followings must be an odd integer, [BKB (officer) – 2017]
A. 7n - 2 
B. 5(n -2) 
C. (16n+24)/8 
D. (6n+12)/3
Ans: C
2. Tamim runs diagonally across a rectangular field twice that has a length of 40 yards and a width of 30 yards. What is the length of the diagonal, in yards, that Tamim runs? [BKB (officer) – 2017]
A. 50 yards 
B.70 yards 
C. 100 yards 
D. 600 yards
Ans: A (Only diagonal not distance)
3. Solve the following inequality: -2x - 5 > x - 2 [BKB (officer) – 2017]
A.x>1 
B.x<-1 
C x < 1 
D. x > 3
Ans: B
4. In a class 78 students, 41 are taking French and 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course? [BKB (officer) – 2017]
A.6 
B.15 
C.24 
D. 64
Ans: C
5. If 3-6 Χ 7 + 6 χ4 = x, what is the value of x ? [BKB (officer) – 2017]
A. -3.75 
B. 37.5 
C. -37.5 
D.-40.5
Ans: C
6. What is the next number in the series 3,18, 90, 360, ....? [BKB (officer) – 2017]
A. 720 
B.480 
C. 1800 
D.1080
Ans: D
7. If the hour hand of a clock is turned anticlockwise from 2 pm to 9 am, thoroughly how many degrees will it have turned? [BKB (officer) – 2017]
A.210 
B.570 
C.150 
D.510
Ans: C
8. One third of a number is four times of eleven. What is the half of that number? [BKB (officer) – 2017]
A .66 
B.44 
C.132 
D.264
Ans: A
9. Average of 6 numbers is 8.5. When one number is discarded, the avenge of the remaining numbers , becomes 7.2. What is the discarded number? [BKB (officer) – 2017]
A 7.8 
B. 6.5 
C.16 
D.15
ans: D
10. The business partners Rahim. Sohel and Karim agree to divide their Total profit for a certain year in the ratio 2:5:8. If Sohel’s profit was Taka 20,000 what was the total profit of the business for the year? [BKB (officer) – 2017]
A. Taka 800 
B.Taka 32,000 
C. Taka 52,000 
D. Taka 60,000
Ans: D
11. What is the value of x in the figure below? [BKB (officer) – 2017]
A.36 
B.5 
C. 20 
D. 10
Ans: B
(PICTURE WIIL BE GIVEN IN PDF FILE )
12. Mr. A and Mr. B have a combined weekly salary of Taka 1,000. If salary of A is increased by 2.5 times and salary of B is increased by 1.5 times, the combined salary would be Taka 1600. What was the original salary of B? [BKB (officer) – 2017]
A. Taka 100 
B.Taka 250 
C. Taka 900 
D. Taka 1350
Ans: C
13. Jahir has 15 red balls; he gives Sami 3 balls. Sami now has twice the number of balls Jahir has left. How many balls did Sami have at the beginning? [BKB (officer) – 2017]
A.24 
B.12 
C. 27 
D. 21
Ans: D
14. When a number is divided by 5, The remainder is 3. If the square of this number is divided by 5 then What is the remainder? [BKB (officer) – 2017]
A.5 
B.4 
C. 7 
D. 1
Ans: B
15. The value of -3 -(-10) is how much greater than the value of -10 - (-3)? [BKB (officer) – 2017]
A.0 
B. -7 
C.7 
D.14
Ans: D
16. If a photocopier makes 2 copies in 1/3 second, at the same rate, how many copies does it make in 4 minutes? [BKB (officer) – 2017]
A.1200 
B. 24 
C.144 
D.1440
Ans: D
17. A pen is sold for Taka 48 with a 20% profit. What is the purchase price of the pen? [BKB (officer) – 2017]
A.32 
B. 40 
C.48 
D.57.6
Ans: B
18. A bank pays simple interest rate of 8% on investment. If you invest Taka 5,000 in the bank, how much money would you get after 8 years? [BKB (officer) – 2017]
A. 9,255 
B. 3,200 
C. 5,320 
D. 8,200
Ans: D (5000+3200 = 8200)
19. If 16^2x+4 =4^3x+3 then x = ? [BKB (officer) – 2017]
A.- 5 
B. 1 
C. 
D. - 1
Ans: A
20. 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? [BKB (officer) – 2017]
A. 20% 
B. 44, 
C. 144% 
D. 40
Ans: B
21. Find the slope of the line 5x - 5y = 7 [BKB (officer) – 2017]
A. 5 
B.5/7 
C. 1 
D.7/5
Ans: C
22. If a man walks 14 kilometer/hour instead of 10 kilometer/hour, he would have walked 20 kilometers more. The actual distance travelled by him is: [BKB (officer) – 2017]
A. 30 kilometer 
B. 50 kilometer 
C. 80 kilometer 
D. 70 kilometer
Ans: b
23. In the coordinate plane, for which one of the following values of x would the graph of the equation y = x^3 -x^2-6x not touch thc x-axis? [BKB (officer) – 2017]
A.2 
B.3 
C. -2 
D.0
Ans: D
24. How many 3-digit integers can be chosen such that none of the digits appear more than twice, none of the digits equal 0? [BKB (officer) – 2017]
A. 729 
B. 720 
C. 756 
D. 504
Ans: B (9^3-9=720.)