2116 . If the amount of Tk.360 in 3 years is Tk.511.20. What will be the amount of Tk.700 in 5 years?

A. 1060
B. 1225
C. 1190
D. 1230

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Answer: Option C

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2117 . If the annual interest rate decreases from 4% to 3.75%, income of a person reduces by Tk. 60. What is his principal?

A. Tk. 22,000
B. Tk. 25,000
C. Tk. 24,000
D. Tk. 26,000
E. None of these

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Answer: Option C

Explanation:

given, the annual interest rate decreases from 4% to 3.75%

ATQ,

(4 - 3.75)% = 60

or, 0.25% = 60

or, 100% = (60/0.25) * 100 = 24000

so, principal = 24000 tk

ans: 24000 tk

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2118 . If the area of a circle is 25π then diameter of the circle is--

A. 6
B. 10
C. 20
D. 25

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Answer: Option B

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2119 . If the area of a small pizza is 78.5 in. what size pizza box would best fit the small pizza?

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

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Answer: Option D

Explanation:

To find the size of the pizza box that would best fit the small pizza, we can use the diameter of the pizza as the size of the pizza box.

The area of a circle is given by the formula: A = πr^2, where "A" is the area and "r" is the radius.

In this case, the area of the small pizza is 78.5 square inches. We can use this information to find the radius of the pizza:

78.5 = πr^2

Now, solve for "r":

r^2 = 78.5 / π r^2 ≈ 25 r ≈ √25 r ≈ 5 inches

So, the radius of the small pizza is approximately 5 inches. To find the diameter (which is also the size of the pizza box needed), simply double the radius:

Diameter = 2 * 5 inches = 10 inches

Therefore, a 10-inch pizza box would best fit the small pizza.

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সহকারী পরিচালক(AD) -12.11.2021

A. x
B. 2
C. 2x
D. 3x

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Answer: Option C

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Janata Bank PLC || Officer (Rural Credit) (27-10-2023) || 2023

A. 2x
B. 3x
C. 4x
D. 5x

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Answer: Option A

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One Bank Ltd || Special Cadre Officer (03-01-2025) || 2025

A. 30
B. 40
C. 70
D. 90

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Answer: Option B

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2123 . If the average (arithmetic mean) of 16, 20 and n is between 18 and 21 inclusive, what is the greatest possible value of n ?

A. 18
B. 21
C. 27
D. 54

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Answer: Option C

Explanation:

we must take such a value of n for which the average must be in between 18 to 21, inclusive. It means 21 can be the average . We are looking fro greatest value of n. So, we must take 21 as average of this 3 numbers.

16 + 20 + n = 3×21

= > 36 + n = 63

∴n = 27.

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2124 . If the average (arithmetic mean) of 5, 9, k, and m is 12, what is the average of k+7 and m-3?

A. 14
B. 38
C. 19
D. 21

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Answer: Option C

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SBAC Bank PLC || Trainee Junior Officer (28-09-2024) || 2024

A. 40

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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. 70
B. 40
C. 20
D. None

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Answer: Option B

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2127 . If the average of 'm' numbers is n2 and that of 'n' numbers is m2, then the average of (m + n) numbers is -

A. m+n
B. m-n
C. m/n
D. mn

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Answer: Option D

Explanation:

Average of m numbers n^2

So, Sum of m numbers= mn^2

Average of n numbers m^2

So, sum of n numbers= nm^2

Now,

Sum of (m+n) numbers= mn^2+nm^2 = mn(m+n)

Average of (m+n) numbers= {mn(m+n)}/(m+n) = mn

Ans: mn.

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বাংলাদেশ ব্যাংক || সহকারী পরিচালক (AD) (20-10-2023)

A. 10
B. 15
C. 19
D. 5

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Answer: Option D

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2129 . If the average of 11,17,x, and y is 19, what is the average of (x+50) and (y-7)?

A. 46
B. 23
C. 21
D. 14
E. None of these

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Answer: Option B

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2130 . If the average of 16, 20 and n is between 18 and 21 inclusive, what is the greatest possible value of n?

A. 18
B. 21
C. 27
D. 54

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Answer: Option C

Explanation:

16 + 20 + n = 3×21

= > 36 + n = 63

∴n = 27.

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2116 . If the amount of Tk.360 in 3 years is Tk.511.20. What will be the amount of Tk.700 in 5 years?

2117 . If the annual interest rate decreases from 4% to 3.75%, income of a person reduces by Tk. 60. What is his principal?

2118 . If the area of a circle is 25π then diameter of the circle is--

2119 . If the area of a small pizza is 78.5 in. what size pizza box would best fit the small pizza?

2120 . If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is-

2121 . If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is:

2122 . If the arithmetic mean of sevety five numbers is calculated, it is 35. If each number is increased by 5, then mean of new numbers is:

2123 . If the average (arithmetic mean) of 16, 20 and n is between 18 and 21 inclusive, what is the greatest possible value of n ?

2124 . If the average (arithmetic mean) of 5, 9, k, and m is 12, what is the average of k+7 and m-3?

2125 . If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of(z-x)?

2126 . If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of (z-x)?

2127 . If the average of 'm' numbers is n2 and that of 'n' numbers is m2, then the average of (m + n) numbers is -

2128 . If the average of (x-3), (x-5), and (x-7) is 0, then what is the value of x ?

2129 . If the average of 11,17,x, and y is 19, what is the average of (x+50) and (y-7)?

2130 . If the average of 16, 20 and n is between 18 and 21 inclusive, what is the greatest possible value of n?

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