3781 . Which number is divisible by 2,3,4, and 6 but is not divisible by 5?

A. 138
B. 644
C. 1020
D. 1428

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Answer: Option D

Explanation:

অপশন টেস্ট; 1428 কে 2,3,4 ও ৬ দ্বারা নিঃশেষে বিভাজ্য কিন্তু ৫ দ্বারা নিঃশেষে বিভাজ্য নয়।

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First Security Islami Bank Ltd | Probationary Officer | 19-02-2021

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3782. which number is the odd one in oval A and B respectively?

A. 42,18
B. 42,52
C. 36,6
D. 48,52

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Answer: Option B

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Bangladesh Bank - Officer - 2015

A. 6
B. 17
C. 19
D. 21

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Answer: Option C

Explanation:

4+6=10 10–1=9, 9+6=15 15–1=14, 14+6=20 20–1=19. That's the sequence. The next number is 19.

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Bangladesh bank - officer ( general) - 27.04.2018

3784. which number replaces the question mark?

A. 12
B. 6
C. 9
D. 8

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Answer: Option A

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Bangladesh Bank - Officer - 2015

A. 155
B. 163
C. 157
D. 158

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Answer: Option B

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3786 . Which of the (following /result) cannot be the sum of two prime integers.

A. 7
B. 19
C. 23
D. 31
E. 43

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Answer: Option C

Explanation:

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Probationary Officer | 31.03.2017 ||

A. a & c
B. b & c
C. c & d
D. a & d

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Answer: Option B

Explanation:

অপশন (b) তে আছে RILSA যা হবে RAILS যার অর্থ তীব্র গালিগালাজপূর্ণ বক্তব্য

আর অপশন (c)তে আছে TOOMT যা হবে MOTTO যার অর্থ মূলমন্ত্র বা আদর্শবাণী |

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Bangladesh bank - officer ( general) - 27.04.2018

A. c
B. a
C. a & d
D. c & d

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Answer: Option B

Explanation:

Option A can be rearranged in ANALIST but others can not be arranged in any English word.

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Assistant Director (General) 06.07.18

A. -1

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Answer: Option A

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বিমান বাংলাদেশ এয়ারলাইন্স লিঃ নিয়োগ পরীক্ষা-২০১৮। গ্রাউন্ড সার্ভিস অ্যাসিসটেন্ট। ১৩.১০.২০১৮

A. -1
C. 2/3
D. None

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Answer: Option B

Explanation:

1 divided by any number can never be equal to 0.

So, 1/(x-1)≠0

(ans)

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3791 . which of the following countries can be the same color as W?

A. S
B. X
C. Z
D. R

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Answer: Option C

Explanation:

Z is not adjacent to W.

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Bangladesh Bank - Officer - 2015

A. india
B. chaina
C. russia
D. united states

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Answer: Option B

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3793 . Which of the following describes all values of x for which 1 - x2 ≥ 0?

A. x ≥ 1
B. x ≤ - 1
C. 0 ≤ x ≤ 1
D. x ≤ - 1 or x ≥ 1

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Answer: Option C

Explanation:

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Bangladesh Bank - Officer - 2015

3794 . Which of the following equations is not equivalent to $25 x^{2} = y^{2} - 4$

A. $25 x^{2} + 4 = y^{2}$
B. $75 x^{2} = 3 y^{2} - 12$
C. $25 x^{2} = (y + 2) (y - 2)$
D. $5 x = y - 2$

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Answer: Option D

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3795 . which of the following figures has the smallest perimeter of circumference?

A. a circle with a diameter of 2 feet
B. a square with a diagonal of 2 feet
C. a rectangle with sides of 6 inches and 4 feet
D. a pentagon with each side equal to 16 inches
E. a hexagon with each side equal to 14 inches

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Answer: Option B

Explanation:

To determine which figure has the smallest perimeter or circumference, let's calculate the perimeters for each of the given shapes:

Circle with a diameter of 2 feet:

Circumference (perimeter) of a circle = π * diameter = π * 2 feet ≈ 6.28 feet
Square with a diagonal of 2 feet:

Let the side length of the square be "s."
Using the Pythagorean theorem, we can find the side length: s² + s² = (2 feet)² 2s² = 4 feet² s² = 4 feet² / 2 s² = 2 feet² s = √2 feet ≈ 1.41 feet
Perimeter of the square = 4 * side length = 4 * 1.41 feet ≈ 5.65 feet
Rectangle with sides of 6 inches and 4 feet:

Perimeter of the rectangle = 2 * (length + width) = 2 * (4 feet + 6 inches) = 2 * (4 feet + 0.5 feet) = 2 * 4.5 feet = 9 feet
Pentagon with each side equal to 16 inches:

Perimeter of the pentagon = 5 * side length = 5 * 16 inches = 80 inches = (80/12) feet = 6.67 feet
Hexagon with each side equal to 14 inches:

Perimeter of the hexagon = 6 * side length = 6 * 14 inches = 84 inches = (84/12) feet = 7 feet
Now, let's compare the perimeters:

Circle: 6.28 feet
Square: 5.65 feet
Rectangle: 9 feet
Pentagon: 6.67 feet
Hexagon: 7 feet
The square with a diagonal of 2 feet has the smallest perimeter, which is approximately 5.65 feet. So, the answer is indeed “a square with a diagonal of 2 feet.”

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3781 . Which number is divisible by 2,3,4, and 6 but is not divisible by 5?

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3783 . Which number logically follows the sequence ? 4, 6, 9, 6, 14, 6 ........

3785 . Which number will compete compete the series 3,19, 41, 71, 111 ____?

3786 . Which of the (following /result) cannot be the sum of two prime integers.

3787 . which of the following can be arranged into a 5 -letter English word? a.HRGST B. RILSA C. TOOMT D. WQRGS

3788 . which of the following can be arranged into an English word? a. ANSLAIT B. LSNIT C.OTATM D. WQRGS

3789 . Which of the following CANNOT be a value of 1/(x+1)?

3790 . Which of the following CANNOT be a value of 1/(x+1)?

3791 . which of the following countries can be the same color as W?

3792 . which of the following countries has successfully test-launched its first hypersonic aircraft?

3793 . Which of the following describes all values of x for which 1 - x2 ≥ 0?

3795 . which of the following figures has the smallest perimeter of circumference?

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