2221 . If the sum of five consecutive even integers is 's' , then in terms of 's', what is the greatest of these integers ?

A. (s-20)/5
B. (s-10)/5
C. (s+20)/5
D. (s+10)/5
E. None of these

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Answer: Option D

Explanation:

শর্তানুসারে, - 2 a. 1 b. - 2 - 12
c. 3 - 11

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2222 . If the sum of five consecutive positive integers is A, then the sum of the next five consecutive integer in terms of A is:

A. A + 1
B. A + 5
C. A + 25
D. 2A

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Answer: Option C

Explanation:

The sum of 5 consecutive positive integers = A. Think of it this way, each of the next 5 consecutive positive integers is 5 more than the corresponding first five integers. SInce there are 5 integers, 5x5 would make the sum 25 greater than A. Thus, answer choice C A+25 is correct.

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2223 . If the sum of four consicutive even integer is s, what is the greatest of the integers in terms of s?

A. (s + 12)/4
B. (s - 12)/4
C. (s + 6)/4
D. (s - 6)/4

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Answer: Option A

Explanation:

একটা চিন্তা করে দেখেন S কে চার দিয়ে ভাগ করলে ২য় ও ৩য় even number এর মাঝের integer টা আসবে।

( 2 + 4 + 6 + 8 = 20/4 = 5)

4th one is s/4 + 3 = s + 12 /4

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2224 . If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is :

A. 79
B. 159
C. 169
D. 161
E. None of them

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Answer: Option D

Explanation:

Let,

the three numbers are x, x + 1, x + 2

As per question,

x + x + 1 + x + 2 = 240

3x + 3 = 240

x = 79

large two numbers are 80, 81

summation = 80 + 81 = 161

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2225 . If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is:

A. 79
B. 159
C. 169
D. 161

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Answer: Option D

Explanation:

Let,

the three numbers are x, x + 1, x + 2

As per question,

x + x + 1 + x + 2 = 240

3x + 3 = 240

x = 79

large two numbers are 80, 81

summation = 80 + 81 = 161

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2226 . If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is

A. 79
B. 159
C. 169
D. 161
E. None of these

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Answer: Option D

Explanation:

Let,

the three numbers are x, x + 1, x + 2

As per question,

x + x + 1 + x + 2 = 240

3x + 3 = 240

x = 79

large two numbers are 80, 81

summation = 80 + 81 = 161

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Bangladesh Bank - Assistant Director - 2009

A. 10 sides
B. 8 sides
C. 12 sides
D. 9 sides

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Answer: Option A

Explanation:

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

A. 22
B. 23
C. 24
D. 35
E. None of these

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Answer: Option B

Explanation:

ধরি, সংখ্যা তিনটি যথাক্রমে

x - 1, x, x + 1

x - 1 + x + x + 1 <75

3x <75

x<75/3

x<25

যেহেতু x<25 এবং পূর্ণসংখ্যা সেহেতু x = 24

ছোট সংখ্যাটি = ( 24 - 1 ) = 23

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2229 . If the sum of three consecutive integers is odd, then the first and the last integers must be -

A. odd, even
B. odd, odd
C. even, odd
D. even, even
E. None of these

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Answer: Option D

Explanation:

For example,

2 + 3 + 4 = 9 ( odd)

but,

3 + 4 + 5 = 12 ( even)

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2230 . If the sum of three different prime numbers is an even number then what is the smallest of these three ?

A. 1
B. 2
C. 3
D. 5
E. None of these

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Answer: Option B

Explanation:

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2231 . If the sum of two numbers is 33 and their difference is 15, the smaller number is :

A. 9
B. 12
C. 15
D. 18

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Answer: Option A

Explanation:

Let, the numbers are x and y

According to question,

x + y = 33.......(1)

x - y = 15.......... (2)

(1) + (2) = 2x = x = 24.

again , x + y = 33 (1)

x - y = 15...... (2)

(1) - (2) = 2y = 18

y = 9

So, smallest number is 9

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Bangladesh Bank - Assistant Director - 2014

2232 . If the sum of x and its multiplicative inverse is 3, then $x^{3} + 1 / x^{3} = ?$

A. $36$
B. $0$
C. $1$
D. $18$

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Answer: Option D

Explanation:

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অফিসার (জেনারেল) - 12.11.2021

A. 500
B. 400
C. 300
D. 200
E. 100

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Answer: Option D

Explanation:

If the total cost C = 1000 + 0.2s, where 's' is the sales volume, the variable cost on sales of TK. 1000 will be Taka

Given that,

sales of volume (s) = 1000

We know that,

Total cost (C) = total fixed cost + total variable cost

then, C = 1000 + 0.2s

Total variable cost = 0.2s

= 0.2 × 1000

= 200 Tk.

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Bangladesh Bank - Assistant Director - 2006

A. TK.6,250
B. TK.12,500
C. TK.15,000
D. TK.25,000
E. TK.48,000

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Answer: Option A

Explanation:

1500/12 months= 12500 per month
= sales in June= 125000/2
=6250

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2235 . If the total surface are of a hemisphere be 36. sq. cm, then its radius is

A. 3√2 cm
B. 3√3 cm
C. √3 cm
D. 2√3 cm

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Answer: Option A

Explanation:

The total surface area of a hemisphere is given by the formula:

Surface Area = 2πr^2

where "r" is the radius of the hemisphere.

Given that the total surface area is 36 sq. cm, we can set up the equation:

2πr^2 = 36

Now, solve for "r":

r^2 = 36 / (2π)

r^2 = 18 / π

r = √(18 / π)

To simplify further, we can rationalize the denominator by multiplying both the numerator and denominator by π:

r = √(18π / (π * π))

r = √(18π / π^2)

r = (3√2π) / π

So, the radius of the hemisphere is (3√2π) / π cm.

Now, to express it in a simplified form, we can cancel out π:

r = 3√2 cm

So, the radius of the hemisphere is 3√2 cm.

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

2221 . If the sum of five consecutive even integers is 's' , then in terms of 's', what is the greatest of these integers ?

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2222 . If the sum of five consecutive positive integers is A, then the sum of the next five consecutive integer in terms of A is:

2223 . If the sum of four consicutive even integer is s, what is the greatest of the integers in terms of s?

2224 . If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is :

2225 . If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is:

2226 . If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is

2227 . If the sum of the interior angles of a regular polygon measures 1444°, how many sides does the polygon have?

2228 . If the sum of three consecutive integers is less than 75, what is the greatest possible value of the smallest one?

2229 . If the sum of three consecutive integers is odd, then the first and the last integers must be -

2230 . If the sum of three different prime numbers is an even number then what is the smallest of these three ?

2231 . If the sum of two numbers is 33 and their difference is 15, the smaller number is :

2233 . If the total cost C= 1000 + 0.2s, where 's' is the sales volume, the variable cost on sales of TK. 1000 will be Taka

2234 . If the total sales for a business in a certain year were TK.150,000, what were the sales in June, If June sales were half the monthly average?

2235 . If the total surface are of a hemisphere be 36. sq. cm, then its radius is

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