226 . If each side of a rectangle is increased by 20% , the increase in the area of a rectangle will be______
  • A. 50%
  • B. 35%
  • C. 40%
  • D. 44%
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227 . If for a square matrix A , A2=A then such a matrix is known as :
  • A. Idempotent matrix
  • B. Orthagonal matrix
  • C. Null matrix
  • D. Identity matrix
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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018
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228 . If for integer x, 5 < x < 10 and y = x + 5. What is the greatest possible value of x + y ?
  • A. 32
  • B. 22
  • C. 23
  • D. 27
  • E. None of them
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Bangladesh Bank - Assistant Director - 2012
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229 . If in 2000 there were 61,000 people living per square mile in Mirpur, what is the approximate area of Mirpur ?
  • A. 15 sq miles
  • B. 18 sq miles
  • C. 21 sq miles
  • D. 30 sq miles
  • E. 36 sq miles
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Bangladesh Bank - Assistant Director - 2013 ||
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230 . If it is 250 miles from Dhaka to Dinajpur and 120 miles from Dhaka to Pabna, what percentage of the distance from Dhaka to Dinajpur is the distance from Dhaka to Pabna?
  • A. 12
  • B. 24
  • C. 36
  • D. 48
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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||
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231 . If k is an integer and .0010101×10k is greater than 1000, what is the least possible value of k?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
  • E. 6
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232 . If Mario was 32 years old 8 years ago, how old was he x years ago?
  • A. x-40
  • B. x-24
  • C. 40-x
  • D. 24-x
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সমন্বিত ৯ ব্যাংক | 07-01-2022 ||
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233 . If number a is 22×31×50andbis21×31×51then1cmofa,bis:
  • A. 2 2 × 3 1 × 5 1
  • B. 2 2 × 3 2 × 5 2
  • C. 2 3 × 3 1 × 5 0
  • D. 2 2 × 3 2 × 5 0
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234 . If p = 3/5, q = 7/9 and r = 5/7, then
  • A. p < q < r
  • B. q < r < p
  • C. p < r < q
  • D. None of these
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235 . If p is an even integer and q is an odd integer, which of the following must be an odd integer?
  • A. p/q
  • B. pq
  • C. 2p+q
  • D. 2(p+q)
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বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড || সহকারী প্রকৌশলী (28-07-2023)
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236 . If prices fall 20%, what will be the price of an article which now costs Tk.20?
  • A. Tk.18
  • B. Tk.18
  • C. Tk.25
  • D. Tk.15
  • E. None of these
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237 . If the base of a parallelogram is 8 and the height is 7 and perimeter is 24. what is the area of the parallelogram?
  • A. 32
  • B. 96
  • C. 66
  • D. 56
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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||
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238 . If the co-ordinates of A and B are (4, 1) and (-2, 7) respectively, then the co-ordinates of the midpoint of AB are:
  • A. (1, 4)
  • B. (-3, 4)
  • C. (3, -4)
  • D. (-1, 4)
  • E. None of these
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239 . If the co-ordinates of A and B are (x, y) and (x, -y) respectively, then the co-ordinates of the midpoint of AB are:
  • A. (x, y)
  • B. (0, y)
  • C. (-x, -y)
  • D. (0, 0)
  • E. (x, 0)
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240 . If the cost price is 25% of selling price, then what is the percentage of profit?
  • A. 300
  • B. 250
  • C. 180
  • D. 280
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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022
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