Bangladesh Bank- (AD)- MCQ Math Solution

Bangladesh Bank- (AD)- MCQ Math Solution
51. (10)2 is how many times of (0.01)3
a. 105 b. 106 c. 107 d. 108
52. A passenger paid 50% customs duty on accompanied haggage items . he paid another . 20% sales tax on the total value of the items plus the custom duty paid . The total costom duty and sales tax is Tk. 350 what is the value of the item custom duty and sales tax?
a. Tk. 400 b. Tk. 450 c. Tk. 500 d. None of these
53. An amount of money is invested in a saving account for two years. It increases by Tk. 52.50 in two years, after annual compounding at the rate of 10% per year. What is the amount invested initially?[BB-(AD)-2022]
a.Tk. 400 b. Tk. 300 c. Tk. 250 d. Tk. 200
54. The angles of a triangle are in the proportion of 1 : 2 . 3 and the length of the smallest side is 1 cm what is the length of the longest side of the triangle?
a. 2 cm b. 3 cm c. 4 cm d. 5 cm
55. A square room has a square carpet symmetrically placed in it . This leaves an uncovered area of 9 meter2. The area of the whole room is 25 meter2. What is the length of the one side of the carpet?
a. 2 meter b. 4 meter c. 6 meter d. 8 meter
56. A man’s present age is two-fifth of the ages of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present ?

57. 57. If = , then the value of

58. If a : b = 4 : 7 and b : c = 5 : 6 than a : b : c = ?
a. 8 : 15 : 12 b. 20 : 35 : 42 c. 20 : 35 : 24 d. None Ans: b

59. On a 2 km road, a total number of 201trees are planted on each side of the road at equal distances, How many such trees in all will be planted on both sides of a 50 km road such that the distance between two consecutive trees is the same as that of the consecutive trees on the 2 km road?
60. Mr. X had Tk. 1000 in his saving account. Every month in the first week he needs money, so he withdraws Tk. 500. But by the end of the month, he deposits Tk. 750. After how many months, the original amount will grow three times? [BB-(AD)-2022]
a. 6 months b. 7 months c. 8 months d. 9 months Ans: c
61. Two small circular parks of diameter 16 meter and 12 meter are to be replaced by a bigger circular park. what would be the radius of this new park. if the new park has to oeeupy the same space as the two small parks?
a. 20 meter b. 15 meter c. 10 meter d. 100 meter
62. A student obtained 60, 75 and 85 marks respectively in three monthly examinations in Physics and 95 marks in the final examination. The three monthly examinations are of equal weightage whereas the final examination is weighted twice as much as a monthly examination. His average marks in Physics are
63. At a stationary shop, it costs Tk. 185 for 4 gel-pens, 8 ball-point pens and 1 marker pen and Tk. 315 for 7 gel-pens, 15 ball-point pens and 1 marker pen. What would be the cost of 1 gel-pen, 1 ball-point pen and 1 marker pen?(
a.Tk. 45 b. Tk. 55 c. Tk. 60 d. Tk. 70
64. The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average. [BB-(AD)-2022]
65. In a certain population group , 57% of the people have characteristics X and 63 % have characteristics Y. If every person in the group has at least one of the two characteristics, then what percent of the people have both X and Y?
a. 20% b. 18% c. 12% d. 6%
66. M is older than N but younger than O, If m, n and o are the ages of M, N and O respectively, then which of the following is true?

67. What is the smallest number of apples that can be distributed equally (without cutting any apple) among 6, 10, 14 and 18 boys?
a. 1260 b. 315 c. 360 d. 630
68. A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity (in kg) sold at 18% profit is
69. If the numerator of a fraction is increased by 2 and the denominator by 1 it becomes 1. again if the numerator decreased by 4 and the denominator by 2 it becomes 1/2 find the fraction

70. The difference between the length and breadth of a rectangle is 23 meter. If its perimeter is 206 meter, then its area is
a. 1520 sq meter b. 2420 sq. meter c. 2480 sq meter d. 2520 sq. meter