1981 . If a woman is paid Tk.m per hour every hour she works up to 8 hours and is paid double for every hour she workes after 8 hours, how much Tk will she be paid for working 13 hours?

A. 6m
B. 8m
C. 13m
D. 18m

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Answer: Option D

Explanation:

13 hours = 8 hours + 5 hours

Payment for first 8 hours = 8 x m = 8m

Payment for next 5 hours = 5 x 2m = 10m

Total payment = 8m + 10m = 18m.

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1982 . If a women is paid Tk. m per hour for every hour she works up to 8 hours and is paid double for every hour she works after 8 hours, how many Tk. will she be paid for working 13 hours?

A. 13 m
B. 18 m
C. 6
D. 8

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Answer: Option B

Explanation:

13 hours = 8 hours + 5 hours

Payment for first 8 hours = 8 x m = 8m

Payment for next 5 hours = 5 x 2m = 10m

Total payment = 8m + 10m = 18m.

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1983 . If a worker can packs 1/6 of a carton of canned food in 15 minutes and there are 40 workers in a factory, how many cartons should be packed in the factory in 5/3 hours?

A. 33
B. 362/9
C. 391/9
D. 400/9

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Answer: Option D

Explanation:

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1984 . If $A^{3}$ is odd, which of the following is true?

A. A is odd only
B. $A^{2}$ is odd only
C. $A^{2}$ is even
D. Both A & are true

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Answer: Option D

Explanation:

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Bangladesh Bank - Assistant Director - 2010

1985 . If $a^{3} = 117 + b^{3}$ and $a = 3 + b,$ then the value of $a + b = ?$

A. $7$
B. $13$
C. $30$
D. $49$

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Answer: Option A

Explanation:

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সমন্বিত পাঁচ ব্যাংক || অফিসার ক্যাশ - 06.11.2021

A. 8:6:9:10
B. 8:6:10:9
C. 6:8:10:9
D. 6:8:9:10

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Answer: Option C

Explanation:

A: B = 3 : 4 = ( 3 × 4) : ( 4 × 4) = 12 : 16

C : B = 5 : 4 = ( 5 × 4) : ( 4 × 4) = 20 : 16

C : D = 10 : 9 = ( 10 × 2) : ( 9 × 2) = 20 : 18

A : B : C : D = 12 : 16 : 20 : 18 = 6 : 8 :10 : 9

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1987 . If a:b=1:3, b:c=5:7 then what is the value of a:b:c?

A. 3:5:7
B. 5:9:15
C. 5:15:21
D. 4:13:24

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Answer: Option C

Explanation:

a:b = 1:3 *5 = 5:15

b:c = 5:7 *3 = 15:21

So, a:b:c = 5:15:21 (Ans)

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সমন্বিত ৫ ব্যাংক || অফিসার (ক্যাশ) (11-03-2022)

A. 120
B. 30
C. 31
D. 32

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Answer: Option C

Explanation:

উপসেট বের করার নিয়ম হলো 2^n-1

এখানে, n= সেটের উপাদান সংখ্যা

অতএব, প্রকৃত উপসেট সংখ্যা = 2^5-1= 32-1= 31

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Sonali Bank Ltd. Senior Officer Recruitment 01.06.2018

1989 . If a=0.67 then which one of the following is smmaler then a ?

A. $\sqrt{a}$
B. $1 / a$
C. $a^{2}$
D. $1 / a^{2}$

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Answer: Option C

Explanation:

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অফিসার (জেনারেল) - 12.11.2021

1990 . If $a = \sqrt{2} + 1$ and $b = \sqrt{2} - 1$ then the value of $\frac{1}{a + 1} + \frac{1}{b + 1}$ is

A. $0$
B. $1$
C. $2$
D. $2 \sqrt{2}$

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Answer: Option B

Explanation:

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সমন্বিত ৭ ব্যাংক || সিনিয়র অফিসার-05-11-2021 ||

A. a
B. b
C. a=0 or b=0
D. none of these

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Answer: Option C

Explanation:

here, a=x and b=y

then xy=0 will be only if a or b is equals to 0.

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1992 . If a> b>c then which of the following can never be true?

A. b +c
B. 2a> b +c
C. 2c > a + b
D. ab > bc

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Answer: Option C

Explanation:

if a>b>c

then, a>c, and, b>c

so, a + b>c + c

or, a + b>2c

so, 2c>a + b can never be true.

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1993 . If A>B, B>C and C>D, then which of the following conclusions is definitely wrong?

A. A>D
B. A>C
C. B>D
D. D>A

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Answer: Option D

Explanation:

Hints: A>B>C>D,

So, D>A is answer

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1994 . If a>b and a>c, which of the following must be greater that 0?

A. b-c/b+c
B. c-b/a-b
C. b-c/b-a
D. b-a/c-a

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Answer: Option D

Explanation:

a>b or, b - a<0 or, b - a is - ve.

a>c or, c - a<0 or, c - a is - ve.

So, (b - a)/(c - a) = + ve>0.

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1995 . If a>b>1, then which of the following is true

A. $a^{2 > b 2}$
B. $a^{2} > a b$
C. $b + a > a b$
D. $b + a > 2 a b$

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Answer: Option A

Explanation:

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Basic bank recruitment 2018; auditor 26.01.2018 || Image 2018

1981 . If a woman is paid Tk.m per hour every hour she works up to 8 hours and is paid double for every hour she workes after 8 hours, how much Tk will she be paid for working 13 hours?

BdMerit-এর ১ বছরের প্রিমিয়াম প্যাকেজ কিনে ১০ মাস নিয়মিত প্রস্তুতি নিন—

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1982 . If a women is paid Tk. m per hour for every hour she works up to 8 hours and is paid double for every hour she works after 8 hours, how many Tk. will she be paid for working 13 hours?

1983 . If a worker can packs 1/6 of a carton of canned food in 15 minutes and there are 40 workers in a factory, how many cartons should be packed in the factory in 5/3 hours?

1986 . If A:B = 3:4, C:B= 5:4, C:D=10:9 then A:B:C:D is -

1987 . If a:b=1:3, b:c=5:7 then what is the value of a:b:c?

1988 . if a=(1,2,3,4,5),then the number of proper subsets a is

1991 . If a=x and b=y and xy=0, then which of the following must be true?

1992 . If a> b>c then which of the following can never be true?

1993 . If A>B, B>C and C>D, then which of the following conclusions is definitely wrong?

1994 . If a>b and a>c, which of the following must be greater that 0?

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