7876 . In the first 10 overs of a cricket match, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to the target of 282 runs?

A. 6.25
B. 6.50
C. 6.75
D. 7.00

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Answer: Option A

Explanation:

282 - 10 × 3.2 / 40 = 6.25

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C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

A. Tk. 1,090
B. Tk. 1,160
C. Tk. 1,190
D. Tk. 1,202

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Answer: Option C

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C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

A. 3%
B. 4%
C. 5%
D. 6%

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Answer: Option D

Explanation:

Hints: Simple interest, I = Pnr (15500 - 12500) = 12500 × 4 × r r = 3/50 rate = 3/50 × 100% = 6 %

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C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

A. 18
B. 24
C. 36
D. 45

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Answer: Option B

Explanation:

লোকটি প্রথম 2 ঘণ্টা অতিক্রম করে = 30 × 2 = 60 মাইল ∴ Average speed = মোট দূরত্ব / মোট সময় = ( 60 + 60)/(2 + 3) = 120/5 = 24 mph

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C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

A. 39
B. 40
C. 45
D. 49

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Answer: Option A

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C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

A. 9
B. 10
C. 11
D. 12

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Answer: Option C

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C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

7882 . $a^{n} . a^{m - n} = ?$

A. $a^{m}$
B. $a^{m - 2 n}$
C. $a^{m + 2 n}$
D. 1

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Answer: Option A

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7883 . $a^{5} . a . a^{- 6}$ = কত?

A. a
B. $a^{2}$
D. 1

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Answer: Option D

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7884 . ${(x^{2})}^{3}$ কে $x^{3}$ দ্বারা গুণ করলে কত হবে?

A. $x^{9}$
B. $x^{18}$
C. $x^{27}$
D. $x^{24}$

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Answer: Option A

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7885 . Rubel can do a job in 8 days, and his son can do it in 12 day. How long would it take them to do the job if they worked together?

A. 4.8
B. 5
C. 10
D. 15

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Answer: Option A

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C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

7886 . ${(m^{x - y})}^{x + y} \times {(m^{y - z})}^{y + z} \times {(m^{z - x})}^{z + x = ?}$

B. 1
C. $\frac{1}{2}$
D. 2

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Answer: Option B

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7887 . 5x0= কত?

B. 5x
C. 5
D. 1

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Answer: Option D

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7888 . $x^{y} = y^{x}, x = 2 y (x \neq 0, y \neq 0)$ হলে,(x,y) = কত?

A. (8,4)
B. ( 6,3)
C. (2,1)
D. (4,2)

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Answer: Option D

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7889 . ${(\sqrt{3})}^{6} =$ কত?

A. 9
B. 27
C. 18
D. 81

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Answer: Option B

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প্রবাসী কল্যাণ ও বৈদেশিক কর্মসংস্থান মন্ত্রণালয়ের সহকারী পরিচালক-১১.০৫.২০১২

7890 . ${(\sqrt{3} \times \sqrt{5})}^{4}$ এর মান কত?

A. 30
B. 60
C. 225
D. 115

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Answer: Option C

Explanation:

(√3×√5)⁴

=(√15)⁴

=225

(Ans)

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টেলিযোগাযোগ মন্ত্রণালয়ের সহকারী পরিচালক (আইন)-১৫.০৩.২০১৩

7876 . In the first 10 overs of a cricket match, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to the target of 282 runs?

7877 . A man buys a cycle for Tk. 1,400 and sells it at a loss of 15%. What is the selling price of the cycle?

7878 . A sum of Tk. 12,500 amounts to Tk. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?

7879 . A man travels for 2 hours at 30 miles an hour and then covers 60 miles in the next 3 hours. What is the average rate for the entire journey?

7880 . The average age of 24 students in a class is 14. If the teacher's age is included, the average increases by 1. What is the age of teacher?

7881 . What is the difference between 300% of 7 and 200% of 5?

7885 . Rubel can do a job in 8 days, and his son can do it in 12 day. How long would it take them to do the job if they worked together?

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