বাংলাদেশ ব্যাংক অফিসার জেনারেল প্রশ্ন ও সমাধান ২০১৯ –
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| Bangladesh Bank Officer General Math Question solution 2019 |
গণিত অংশঃ
33. How many integers from 1 to 1000 are divisible by 30 but not by 16?
And: 29
34. What is the H.C. F. of the numbers 36, 54 and 90?
Ans: 18
35. If sec +tan 6=x, then tan e is?
Ans: x2-1/2x
36. If x is an integer and y=-2x-8,What is the least value of x for which y is less than 9?
Ans: -8
37. If the length of a rectangle is Increased by 20% and which is decreased by 20% , What is the change in the area of the rectangle?
Ans: decrease by 4%
38. If a+1/a=3 what is a3+1/a3?
Ans: 18
39. Bus fares were recently increased form taka 1.70 to taka 2.00. what was the approximate percentage of Increase?
Ans: 18%
40. Which of the numbers below is not equivalent to 20%?
Ans: 0.5
41. If n is an even integer, which of the following must be an odd integer.
Ans: 3n-1
42.The sum first 17 terms of the series 5913172
Ans: 629 Alert
43. All possible three numbers are formed by 1, 3, 5. If one number is chosen randomly the probability that would be divisible by 5?
And: 1
44. If x:y=5:3,then(8x:5y):(8x:5y)=?
Ans: 5:11
45.The sides of a triangle of a triangle are x+1, 2x+1 and 3x+1 respectively and the perimeter is 25 cm. The length of the smallest side is-?
Ans: 5cm
46.The difference in taka between simple and compound interest at 5% annually on a sum of TK. 5000 after 2 years is- ?
Ans: 12.5
47. Log 36/Log 6=?
And: 2
48. If A={1,2,3,4,5},Then the number of proper subsets of A is-?
Ans: 31
49. Every 3 minutes, 4 litres of water are pound into a 2,000- litre tank. After 2 hours, what App percent of the tank will be full?
Ans: 8%
50. P and Q are brothers, R and d are sisters. the father of P is brother of S. Q is related to R as- ?
Ans: Aunt
51.The next number is the sequence 36111827 is-?
Ans: 38
52. If 2x-1 2-3,then-?
Ans: xs -1
53.The average of 6 numbers is 14. The the average of 4 of 3 numbers is 15. The average of the remaining two number is?
Ans: 12
54. If xy=2 and xy2=16, what is the value of x?
Ans: I
55.The perimeter of a circle measures 161 cm, what is the area of the Circle in ins Sq. cm?
Ans: 64
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