1 . (-1)2 - (-1)3 = ?
- A. -2
- B. -1
- D. 2
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প্রিমিয়াম প্ল্যান: ১ মাস
99 ৳
৩০ দিনের জন্য সকল লাইভ এবং আর্কাইভ মডেল টেস্ট, প্রশ্ন ব্যাংক ও লেকচার শিট সহ অ্যাপ এর প্রিমিয়াম সব এক্সেস পাবেন।
2 . (4x - 1)/(2x - 1)
- A. 2x + 1
- B. 2x + 1
- C. 2x
- D. 2
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3 . (xl - m)l + m × (xm - n)m + n × (xn - l)n + l
- B. 1
- C. 4
- D. 2
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4 . (√3.√5)4 =?
- A. 15
- B. 225
- C. 60
- D. 30
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5 . (a+b)(a2−ab+b2) =?
- A. a 3 − b 3
- B. a 3 + b 3
- C. a 6 − b 6
- D. a 6 + b 6
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6 . (x+1)+(x+2)+(x+3)=?
- A. x+6
- B. x 3
- C. 2x+6
- D. 3x+6
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বিমান_বাংলাদেশ এয়ারলাইনস | গ্রাউন্ড সার্ভিস অ্যাসিস্ট্যান্ট | 23-04-2022
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7 . (xa/xb)a + b × (xb/xc)b + c + 2(xa.xc)a - c
- B. 1/2
- C. 1/4
- D. 2
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8 . (√7 + √7)2 =
- A. 98
- B. 49
- C. 28
- D. 21
- E. 14
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9 . 13x+5>14+3x+xy+y ..
- A. 54
- B. 15
- C. 74
- D. 85
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11 . If 0.04 ×0.4 × a = 0.4 × 0.04 ×b, then the value of a/b is:
- A. 0.016
- B. 1.60
- C. 0.16
- D. None of these
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12 . If 0 < a2 < b, which of the following statements is/are always true? i. a < b/a ii. a4 < a2b iii. a2/b < 1
- A. i only
- B. i and ii
- C. ii and iii
- D. i and iii
- E. i, ii and iii
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13 . If 2 < x < 4 and 3 < y < 7, what is the largest integer value of x + y?
- A. 9
- B. 10
- C. 7
- D. 8
- E. 11
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14 . If 6 - 4x ≤ 14 then --
- A. x ≤ 2
- B. x ≥ 2
- C. x ≤ -2
- D. x ≥ -2
- E. x > -2
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15 . If b + a = x and a - b = y, then a2 - b2 =
- A. (x2 - y2)/2
- B. (x2 - y)/2
- C. 2xy
- D. xy/2
- E. xy
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