3196 . The missing number in the bracket 21 (9) 12, 24 (?) 9 is

A. 9
B. 12
C. 6
D. 15

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Answer: Option D

Explanation:

21(9)12 [21-9=12]

24(?)9 [24-9=15]

Ans: 15.

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3197 . The monthly incomes of two persons are in the ratio 4:5 and their monthly expenditures are in the ratio of 7:9. If each saves BDT 50 per month, find their monthly income

A. 400 and 600
B. 400 and 500
C. 500 and 400
D. None of these

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Answer: Option B

Explanation:

Let two persons=A ,B

Income of A=4x, income of B=5x, expenditure of A= 7y andfor B=9y

4x-7y=50………1

5x-9y=50………2

x=4 and y=5

income of A=4*100=400 and b=5*100=500

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সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || অফিসার জেনারেল (10-03-2023)

A. 0% increase
B. 2% decrease
C. 5% increase
D. None of these

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Answer: Option D

Explanation:

Let the initial salary be 100 tk.

Increase by 10% will imply = 100 + 100x10/100 = (100 + 10) = 110 tk.

Decrease by 10% will mean = 90% of 110 = 99

Hence the effective change is a decrease by = (100 - 99)% = 1%. (ans)

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3199 . The most economical way of going form city A to City B , in terms of toll and distance is to us the

A. bridge
B. bridge & tunnel
C. toll free highway
D. tunnel

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Answer: Option C

Explanation:

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3200 . The next 2 numbers of the series 2, 7, 1, 6 are-

A. 5,-5
B. 7,-6
C. 5,-1
D. 5,-2
E. 0,5

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Answer: Option E

Explanation:

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Bangladesh Bank - Officer(Cash) - 2011

A. 45
B. 40
C. 50
D. 25

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Answer: Option B

Explanation:

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3202 . The next number in the sequence 3, 4,8,17,33,.....is-

A. 54
B. 56
C. 58
D. 60

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Answer: Option C

Explanation:

To find the next number in the sequence, we can look for a pattern in the differences between consecutive terms:

4 - 3 = 1 8 - 4 = 4 17 - 8 = 9 33 - 17 = 16

We can see that the differences between consecutive terms are perfect squares: 1^2, 2^2, 3^2, and 4^2. This suggests that the pattern might be related to square numbers.

Let's continue this pattern:

The next perfect square after 4^2 (16) is 5^2 (25).

So, to find the next term in the sequence, we add the next square number:

33 + 25 = 58

Therefore, the next number in the sequence is 58.

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সমন্বিত ৭ ব্যাংক ও ১টি আর্থিক | সিনিয়র_অফিসার | 27-11-2021

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

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Answer: Option C

Explanation:

3 - 6 = 3

6 - 11 = 5

11 - 18 = 7

18 - 27 = 9

27 - 38 = 11

সুতরাং পরবর্তী সংখ্যাটি 38.

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অফিসার (সাধারণ) ২৭.১২. ২০১৯

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

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Answer: Option C

Explanation:

পরের সংখ্যা হতে আগেরটি বিয়োগ করলে পাই,

৬-৩= ৩; ১১-৬=৫; ১৮-১১=৭; ২৭-১৮=৯

অর্থাৎ, প্রথম সংখ্যার সাথে ধারাবাহিক ভাবে odd number যোগ করলে পরের সংখ্যা পাওয়া যায়।

৯ এর পরে odd 11.

পরবর্তী সংখ্যা (২৭+১১)=৩৮

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Sonali Bank Ltd. Senior Officer Recruitment 01.06.2018

A. 31
B. 32
C. 39
D. 49

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Answer: Option C

Explanation:

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3206 . The next term of the series 9+36+81+144----- is

A. 169
B. 256
C. 272
D. 255

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Answer: Option D

Explanation:

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অফিসার (জেনারেল) - 12.11.2021

A. 13
B. 17
C. 23
D. 21

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Answer: Option C

Explanation:

প্রশ্নানুসারে,

3 × b + 2 = a

∴ a = 3b + 2

আবার, 3 × 2 + 1 = b

∴ b = 7

∴ a = 3 × 7 + 2

= 23.

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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)

A. 10%
B. 5%
C. 0.5%
D. 0.05%

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Answer: Option C

Explanation:

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3209 . The number 89715938* is divisible by 4. The unknown non-zero digit marked as* will be

A. 4
B. 3
C. 2
D. 6

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Answer: Option A

Explanation:

কোন সংখ্যার শেষ দুটি অঙ্ক ( দশক ও একক) দ্বারা গঠিত সংখ্যা 4 দ্বারা বিভাজ্য হলে উক্ত সংখ্যাটি 4 দ্বারা বিভাজ্য হবে। এর স্থানে 4 হলে দশক ও একক স্থানীয় অঙ্ক দ্বারা গঠিত সংখ্যা 84 যা 4 দ্বারা বিভাজ্য।

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3210 . The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of student in the class?

A. 48
B. 44
C. 42
D. 40
E. None of these

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Answer: Option C

Explanation:

No of girls  =  x
so x  +  3x  =  4x
42 is not divisible by 4

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3196 . The missing number in the bracket 21 (9) 12, 24 (?) 9 is

3197 . The monthly incomes of two persons are in the ratio 4:5 and their monthly expenditures are in the ratio of 7:9. If each saves BDT 50 per month, find their monthly income

3198 . The monthly salary of a person is increased by 10% in one month, but is decreased by 10% in the next month . What is the age of their father ?

3199 . The most economical way of going form city A to City B , in terms of toll and distance is to us the

3200 . The next 2 numbers of the series 2, 7, 1, 6 are-

3201 . The next number in the geometric progression 5, 10, 20 is:

3202 . The next number in the sequence 3, 4,8,17,33,.....is-

3203 . The Next Number in the sequence 3,6,11,18 ,27, .... is -

3204 . the next number in the sequence 3,6 ,11,18,27....

3205 . The next number of the sequence is __ 4 3 9 3 19 3

3206 . The next term of the series 9+36+81+144----- is

3207 . The number 3 divides 'a' with a result of 'b' and a reminder of 2. The number 3 divides 'b' with a result of 2 and 'a' reminder of 1. What is the value of 'a'?

3208 . The number 50 is what percentage of 10000?

3209 . The number 89715938* is divisible by 4. The unknown non-zero digit marked as* will be

3210 . The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of student in the class?

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