511 . X, Y & Z has started a business with a profit sharing ratio 7:8:9. If at the end of the year, Y gets a total of Taka 4,000, what will be Z's profit?

A. Tk. 4500
B. Tk. 4000
C. Tk. 3500
D. Tk. 5500

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Answer: Option A

Explanation:

Let, the profit of X, Y, Z are 7P, 8P, 9P

According to Question, 8P = 4000tk

P = 500tk

So, Z's profit will be = 9P = 9*500 = 4500tk (Ans)

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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||

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512 . X, Y and Z can do a piece of work in 6 hours. X and Y can do the same work in 8 hours and Z can the same work in 12 hours . In how many times will X and Z do the same work?

A. 6 hours
B. 8 hours
C. 10 hours
D. 12 hours

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Answer: Option B

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Officer (General) -Ansar VDP Unnayan | BD House Building Finance Corporation 28.09.2018

513 . $(x^{2} + x - 20)$ এর উৎপাদক কোনটি

A. $(x - 5) + (x + 4)$
B. $(x + 5) + (x - 4)$
C. $(x + 4) + (x - 5)$
D. $(x - 4) + (x - 5)$

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Answer: Option B

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বাংলাদেশ ডাক বিভাগ (মেট্রোপলিটন সার্কেল) পরিদর্শক-১৩.০৫.২০১৬

A. (x-5)(x+4)
B. (x+5)(x-4)
C. (x-10)(x-2)
D. (x-10)(x+2)

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Answer: Option B

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515 . $x^{3} < x^{2} < x$ , then the value of x could be

A. $0$
B. $1$
C. $1 / 3$
D. $2$

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Answer: Option C

Explanation:

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Bangladesh Bank - Assistant Director - 2010

516 . $x = \{- 4, - 2, 1, 3\} y = \{- 1, 4, 5\}$ If x is a number from set X, and y is a number from set Y. The probability that x + y is positive is closest to

A. 0.5
B. 0.6
C. 0.7
D. 0.8

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Answer: Option C

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Global Islami Bank || Probationary Officer (10-02-2024) || 2024

517 . $y^{2} - 15 y + 56 = 0,$ then $y = ?$

A. $- 5 & 6$
B. $- 7 & 8$
C. $6 & 9$
D. $7 & 8$

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Answer: Option D

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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||

A. 20
B. 30
C. 40
D. 50

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Answer: Option A

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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &amp- Assistant Programmer-০৮/১০/২০২১

A. 467
B. 900
C. 767
D. 1080

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Answer: Option B

Explanation:

15 % ছাড়ে,

15 টাকা বাাঁচানো যায় তালিকামূল্য = 100 টাকা হলে

135 টাকা বাঁচানো যায় তালিকামূল্য = ( 100 × 135) / 15 = 900 টাকা

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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022

A. 33
B. 34
C. 35
D. 31
E. 32

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Answer: Option E

Explanation:

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521 . y²-15y +56=0, then y=?

A. -5 & 6
B. -7 & 8
C. 6 & 9
D. 7 & 8

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Answer: Option D

Explanation:

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522 . A club has 8 male & 8 female members. The club is choosing a committee of 6 members. The committee must have 3 male & 3 female members. How many different committees can be chosen?

A. 720
B. 112
C. 9
D. 3136
E. 112896

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Answer: Option D

Explanation:

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523 . A dealer sells a Radio at a gain of 10%. If he had bought it at 10% less and sold it for Tk.132 less. He would have still gained 10%. The CP of the Radio is--

A. 1320
B. 1400
C. 1188
D. 1200
E. 1360

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Answer: Option D

Explanation:

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524 . A line segment is drawn from point (8, -2) to point (4,6). The coordinates of the mid point of this line segment are--

A. (12, 4)
B. (12, 8)
C. (6, 4)
D. (6,2)
E. None of these

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Answer: Option D

Explanation:

Coordinates of the midpoint of a line segment made by joining two points are the averages of the respective coordinates of the two points.

So, coordinate of the midpoint is {(8 + 4)/2 , ( - 2 + 6)/2} = (6,2)

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525 . A rectangular carpet, that is 9 feet by 12 feet, covers 60% of a rectangular floor. What is the area of the floor?

A. 300 square feet
B. 180 square feet
C. 108 square feet
D. 64.8 square feet
E. 64.8 feet

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Answer: Option B

Explanation:

Area of the carpet = 9 x 12 = 108 sq ft

60% of the floor = 108 sq ft

So, total or 100% floor area = 108 x 100 / 60 = 180 sq ft

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511 . X, Y & Z has started a business with a profit sharing ratio 7:8:9. If at the end of the year, Y gets a total of Taka 4,000, what will be Z's profit?

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512 . X, Y and Z can do a piece of work in 6 hours. X and Y can do the same work in 8 hours and Z can the same work in 12 hours . In how many times will X and Z do the same work?

514 . x2+x−20=?

518 . You are lookng at a billboard 40m away with an angle of elevation of 30°30°. At what height is the billboard?

519 . You have saved 135 Taka by purchasing a blanket with15% discounton it. What is the quoted price of the blanket in Taka?

520 . You need to plant three along the perimeter of a rectangle whose width is 20 ft and length 60 ft. The distence between each plant should be 5 ft. How many trees will you need?

521 . y²-15y +56=0, then y=?

522 . A club has 8 male & 8 female members. The club is choosing a committee of 6 members. The committee must have 3 male & 3 female members. How many different committees can be chosen?

523 . A dealer sells a Radio at a gain of 10%. If he had bought it at 10% less and sold it for Tk.132 less. He would have still gained 10%. The CP of the Radio is--

524 . A line segment is drawn from point (8, -2) to point (4,6). The coordinates of the mid point of this line segment are--

525 . A rectangular carpet, that is 9 feet by 12 feet, covers 60% of a rectangular floor. What is the area of the floor?

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