2896 . State the the order order of o the matrix $(\begin{matrix} 2 & - 3 & 0 \\ 5 & 1 & - 4 \end{matrix})$

A. $2 \times 3$
B. $6$
C. $2$
D. $3$

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Answer: Option A

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সমন্বিত ৮ ব্যাংক ও ১ আর্থিক প্রতিষ্ঠান — অফিসার (জেনারেল) (04-07-2025) | 2025

A. 20
B. 37
C. 38
D. 39

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Answer: Option B

Explanation:

Number of students in the queue = 19 + 19 - 1 = 37 [1 is sutracted so that he is not counted twice].

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বাংলাদেশ ব্যাংক || অফিসার (ক্যাশ) (21-07-2023)

A. n
B. n-1
C. n-2
D. n-3

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Answer: Option C

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2899 . Successive discount of 25% and 20% are equal to a sings discount of-

A. 40%
B. 35%
C. 32%
D. None of these

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Answer: Option A

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2900 . Successive discounts of 20% and 12% are equivalent to a single discount of:

A. 16.0%
B. 29.6 %
C. 31.4%
D. 32.0%
E. 33.7%

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Answer: Option B

Explanation:

±a±b+(ab)/100

=-20-12+(20×12)/100

=|-29.6%|

=29.6%

(ans)

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2901 . Suha sold a watch at a gain of 5% to Subha and Subha sold it to Aurin at a gain of 4%. If Aurin paid Tk. 91 for it, the price paid by Suha is :

A. 83.33
B. 84.66
C. 83
D. 87.66

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Answer: Option A

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

A. 64
B. 60
C. 50
D. 62

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Answer: Option A

Explanation:

Q: Sum of 10 integer is 462. The average of first 4 number is 52 and the average of last 5 number is 38. What is the fifth number ?

Sum of first 4 number = 4 X 52 = 208
Sum of last 5 number = 5 X 38 = 190
So, sum of 9 number = (208 + 190) = 398

So, the 5th number = (462 - 398) = 64 (Ans:)

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Bangladesh Bank - Assistant Director - 2015

A. 4
B. 3
C. 2
D. None of these

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Answer: Option D

Explanation:

ধরি, বড় সংখ্যাটি x এবং ছোট সংখ্যাটি y
∴
x + y = 23
এবং, x - y = 21
( - ) ( + ) ( - )
( - ) করে
⇒
2y = 2
⇒
y =
2
2

সুতরাং উত্তর হবে (d) None of these ।

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2904 . Sum of 3 consucutive integers is 18. What is the smallest integer less 3?

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

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Answer: Option C

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2905 . Sum of 4 consecutive even number is greater than three consecutive odd numbers by 81.If the sum of the least odd and even numbers is 59 then find the sum of largest odd and even numbers

A. 69
B. 53
C. 65
D. 72

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Answer: Option A

Explanation:

Let 4 consecutive even numbers be x, x + 2, X + 4 and x + 6 respectively.
3 consecutive odd numbers be y, y + 2 and y + 4
According to question,
[x + x + 2 + x + 4 + x + 6]−[y + y + 2 + y + 4] = 81
= > (4x + 12)−(3y + 6) = 81
4x−3y = 81−12 + 6
4x−3y = 75
x + 4 = 59
On solving equations (i) and (ii), we get
X = 36
y = 23
The sum of largest odd and even number = x + 6 + y + 4 = x + y + 10 = 36 + 23 + 10 = 69

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Two Combined Bank Recruitment Test Post: Officer - 28/09/2018

A. 34
B. 36
C. 38
D. 40

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Answer: Option C

Explanation:

P + Q = 72; R = 42
∴ P + Q + R = 72 + 42 = 114
Their average = 114/3 = 38

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Bangladesh Bank - Assistant Director - 2008

A. 7
B. 6
C. 9
D. 12
E. None of them

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Answer: Option A

Explanation:

Let, greater number x

lower number y

x + y = 21

x - y = 7

so, 2x = 28

so, x = 14

x/2 = 7

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2908 . Sum of three different positive integeris the same as their product. Find the smallest of these three integers?

A. 5
B. 2
C. 3
D. 1

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Answer: Option D

Explanation:

সংখ্যা তিনটি 1, 2, 3 হলে -
1 + 2 + 3 = 6
আবার, 1 × 2 × 3 = 6
.:. ক্ষুদ্রতম সংখ্যাটি = 1

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2909 . Sum of three different positive integers is the same as their product. What is the smallest of these 3 integers?

A. 1
B. -1
C. 2

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Answer: Option A

Explanation:

সংখ্যা তিনটি 1, 2, 3 হলে -
1 + 2 + 3 = 6
আবার, 1 × 2 × 3 = 6
.:. ক্ষুদ্রতম সংখ্যাটি = 1

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2910 . Sumaiya secured 50% marks in Bangla, 60% in English and 70% in math as well as science. What were her total marks if the maximum marks obtainable in each of these 4 subjects was 50?

A. 250
B. 150
C. 125
D. 120

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Answer: Option C

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2897 . Students of a class stand in a queue. If Ratan is 19th in order from both ends, how many students are there in the queue?

2898 . Subtract 3 from in the number n,multiply the result by 3, add 3 and then divide this results by 3. what is he final results.

2899 . Successive discount of 25% and 20% are equal to a sings discount of-

2900 . Successive discounts of 20% and 12% are equivalent to a single discount of:

2901 . Suha sold a watch at a gain of 5% to Subha and Subha sold it to Aurin at a gain of 4%. If Aurin paid Tk. 91 for it, the price paid by Suha is :

2902 . Sum of 10 integer is 462. The average of first 4 number is 52 and the average of last 5 number is 38. What is the fifth number ?

2903 . Sum of 2 numbes is 23 and the difference is 21. What is the smallest of the two numbers?

2904 . Sum of 3 consucutive integers is 18. What is the smallest integer less 3?

2905 . Sum of 4 consecutive even number is greater than three consecutive odd numbers by 81.If the sum of the least odd and even numbers is 59 then find the sum of largest odd and even numbers

2906 . Sum of P and Q is 72 and the value of R is 42. What is the average of P, Q and R?

2907 . Sum of the two numbers is 21 and their difference is 7. What is the half of the greater number?

2908 . Sum of three different positive integeris the same as their product. Find the smallest of these three integers?

2909 . Sum of three different positive integers is the same as their product. What is the smallest of these 3 integers?

2910 . Sumaiya secured 50% marks in Bangla, 60% in English and 70% in math as well as science. What were her total marks if the maximum marks obtainable in each of these 4 subjects was 50?

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