4081 . A and B invest in a business in the ratio 3:2 . If 5% of the total profit goes to charity and A's share is Tk. 855 the total profit is -

A. Tk. 1425.00
B. Tk.1537.50
C. Tk. 1576.00
D. Tk. 1500.00

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Answer: Option D

Explanation:

Let the total profit be Tk. 100.
After paying to charity, A's share = (95*3/5) = Tk. 57.
If A's share is Tk. 57, total profit = Tk. 100.
If A's share is Tk. 855, total profit = (100/57*855) = 1500.

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অফিসার (ক্যাশ ) - Sonali | Rupali | BD Krishi | Rajshahi Krishi Unnayn | Investment Corporation Of Bangladesh - ২৯. ০৩.২০১৯

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4082 . A and B are partners in a business A contributes 1/4 of the capital for 15 months and B receives 2.3 of the profit . Find for how long B's money was used.

A. 6 months
B. 8 months
C. 10 months
D. 12 months

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Answer: Option C

Explanation:

Let the total profit be Tk. z. Then, B's share = Tk.. 2z/3, A's share = Tk. ( z - 2z/3 ) = Tk. z/3. A : B = z/3 : 2z/3 = 1:2 Let the total capital be Tk. X and suppose B's money was used for x months. Then. (1(x) / 4 * 15) / (3x) / 4 * y) = 1/2 < = > y = (15 * 2 / 3) = 10 . Thus, B's money was used for 10 months.

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Sonali &amp-Janata Bank | Officer (IT)| 04.01.2019

A. 4 : 5 : 9
B. 4 : 5 : 10
C. 8 : 9 : 10
D. 20 : 25 : 18
E. None of these

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Answer: Option D

Explanation:

A:B = 4:5

A:C = 10:9

A:B = (4 x 5) : (5 x 5) = 20:25

A:C = (10X2): (9X2) = 20:18

A:B:C = 20:25:18

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4084 . A 5% monthly salary increase resulted in a salary increase of Tk.6000 per year for an employee. What was her monthly salary before increase?

A. Tk.12000
B. Tk.3600
C. Tk.36000
D. Tk.1200
E. None of these

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Answer: Option E

Explanation:

মাসিক ৫% বৃদ্ধির পর ১২ মাসে মোট বৃদ্ধি পায় ৬০০০ টাকা

সুতরাং এক মাসে বৃদ্ধি পাবে ৬০০০/১২ = ৫০০ টাকা

ধরি তার মাসিক বেতন 'ক' টাকা

শর্তমতে

ক এর ৫%=৫০০

=>ক = (৫০০*১০০)/৫

=> ক =১০,০০০ টাকা।

সুতরাং তার পূর্বের বেতন ১০ হাজার টাকা।

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4085 . A 240-meter long train crosses a pole in a platfrom in 8 seconds. Determine the speed of the train in km/hr.

A. 120
B. 140
C. 6
D. 3
E. None of these

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Answer: Option E

Explanation:

Velocity = Distance / time = 240 m / 8 sec = 30 m/s

Now, 1 m/s = 1/1000 km/s = (1/1000) x 60 x 60 km/h = 3.6 km/h

So, 30 m/s = 30 x 3.6 km/h = 108 km/h

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4086 . A 10% monthly salary increase resulted in a Tk.9000 per year increase in salary for an employee. What was his monthly salary before the increase?

A. Tk.7500
B. Tk.9000
C. Tk.5000
D. Tk.12000
E. None of these

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Answer: Option A

Explanation:

Yearly increase = 9000 tk

Monthly increase = 9000/12 = 750 tk

10% of Salary is = 750 tk

100% of Salary is = (750×100)/10 = 7500 tk

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4087 . A, B and C are partners of a company During a particular year A received one- third of the profile. B received1 one fourth of the profit C received remaining Tk. 5000. How much did A recieved?

A. 5000
B. 4000
C. 3000
D. 1000

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Answer: Option B

Explanation:

Let the total profit is x tk

Profit of A = x/3

Profit of B = x/4

ATQ

x - (x/3 + x/4) = 5000

>x=12000

So the profit of A is 1200 × ⅓ = 4000 tk

So, Ans: 4000 tk

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Senior Officer- 8 Bank Recruitment Test 31-08-2018

A. 110
B. 80
C. 100
D. 120

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Answer: Option D

Explanation:

Step-by-step explanation:

90 x 100 ÷ 75 = 120

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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022

4089 . $\sqrt{9 + \sqrt{y}} = \sqrt{y + 3}$ ,then y could be equal to which of the following?

A. $3$
B. $6$
C. $9$
D. $12$
E. None

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Answer: Option C

Explanation:

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A. 0.048
B. 0.48
C. 4.8
D. 0.0048
E. 0.00048

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Answer: Option D

Explanation:

(8×0.06)/100=0.0048

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Bangladesh Bank - Assistant Director - 2011

A. 20%
B. 25%
C. 35%
D. 45%
E. 50%

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Answer: Option E

Explanation:

Students answer Q.1 or Q.2 or both correctly = ( 100 - 20) = 80%

Let, x% students answered both correctly

( 75 - x) + ( 55 - x) + x = 80

130 - x = 80

x = 50

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Bangladesh Bank - Assistant Director - 2011

A. 35
B. 140
C. 75
D. 49

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Answer: Option B

Explanation:

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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018

A. 150
B. 189
C. 136
D. 145
E. 200

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Answer: Option D

Explanation:

75% - 68% = 7%

7% = 14

100% = 14 × 100% / 7% = 200

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4094 . $5 a^{2} - 4 a - 3 - 3 (a^{2} + a + 4) = 0$ What is the sum of the potable value of a?

A. 3
B. 3.5
C. 4
D. 4.5

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Answer: Option B

Explanation:

5a ^ 2 - 4a - 3 - 3(a ^ 2 + a + 4) = 0 5a ^ 2 - 4a - 3 - 3a ^ 2 - 3a - 12 = 0 2a ^ 2 - 7a - 15 = 0 → 2a ^ 2 - 10a + 3a - 15 = 0 a - 5 = 0 a = 5
* 2a(a - 5) + 3(a - 5) = 0
Rightarrow (a - 5)(2a + 3) = 0
2a + 3 = 0
a = - 3/2
5 + (- 3/2) = 5 - 3/2 = (10 - 3)/2 = 7/2 = 3.5

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Dhaka Bank Ltd | Probationary Officer | 05-02-2021

A. 5:6
B. 7:3
C. 10:3
D. 11:7

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Answer: Option C

Explanation:

মনেকরি,
5 বছর পূর্বে পিতার বয়স = 5x বছর
এবং পুত্রের বয়স = x বছর
.:. বর্তমানে পিতার বয়স = (5x + 5) বছর
বর্তমানে পুত্রের বয়স = (x + 5) বছর
প্রশ্নমতে, 5x + 5 + 2 = 3 (x + 5 + 2)
⇒ 5x + 7 = 3(x + 7)
⇒ 5x + 7 = 3x + 21
⇒ 2x = 14
⇒x = 7
.:. বর্তমানে পিতার বয়স 5 × 7 + 5 = 40 বছর
বর্তমানে পুত্রের বয়স = 7 + 5 = 12 বছর
.:. পিতা ও পুত্র = 40 : 12 = 10 : 3

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জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা-(NSI) Assistant Director- Research officer &amp- Assistant Programmer-০৮/১০/২০২১

4081 . A and B invest in a business in the ratio 3:2 . If 5% of the total profit goes to charity and A's share is Tk. 855 the total profit is -

BdMerit-এর ১ বছরের প্রিমিয়াম প্যাকেজ কিনে ১০ মাস নিয়মিত প্রস্তুতি নিন—

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4082 . A and B are partners in a business A contributes 1/4 of the capital for 15 months and B receives 2.3 of the profit . Find for how long B's money was used.

4083 . A : B = 4 : 5, A : C = 10 : 9, then A : B : C =?

4084 . A 5% monthly salary increase resulted in a salary increase of Tk.6000 per year for an employee. What was her monthly salary before increase?

4085 . A 240-meter long train crosses a pole in a platfrom in 8 seconds. Determine the speed of the train in km/hr.

4086 . A 10% monthly salary increase resulted in a Tk.9000 per year increase in salary for an employee. What was his monthly salary before the increase?

4087 . A, B and C are partners of a company During a particular year A received one- third of the profile. B received1 one fourth of the profit C received remaining Tk. 5000. How much did A recieved?

4088 . 90 is 75 percent of which number given below?

4090 . 8% of 0.06 = ?

4091 . 75% of students of a class answered Question No. 1 correct and 55% answered Question No. 1 correct and 20% answered neither question correctly . What percent of students answered both question correctly ?

4092 . 7 in 5 percent of what number ?

4093 . 68% of the candidates in a recruitment test have passed the written part of it. The number is 14 less than what would have been in case 75% would have passed. What waas the number of candidates appeared?

4095 . 5 years ago the ration of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his sons's age. What is ration of their present age?

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