31 . 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?

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

32 . 7 in 5 percent of what number ?

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

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Answer: Option B

Explanation:

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

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

Bangladesh Bank - Assistant Director - 2011

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

Bangladesh Bank - Assistant Director - 2011

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

সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022

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

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

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

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Answer: Option E

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

38 . 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

39 . 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।

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

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

41 . 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.

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

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.

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

A. 36 days
B. 24 days
C. 16 days
D. 17 days

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Answer: Option B

Explanation:

shortcut - (18*12)/(18 - 12)

= 36

as 2/3 work then = (36*2)/3

= 24 days

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

A. 7/19
B. 9/19
C. 10/19
D. 11/19

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Answer: Option C

Explanation:

মোট ১৯ টার ভেতর ৯টি হলুদ বলসহ মোট ১০টি বল তুললে তবেই নিশ্চিত একটি লাল অথবা কালো বল উঠবে।

সমন্বিত ৯ ব্যাংক | 07-01-2022 ||

A. 20
B. 15
C. 18
D. 22

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Answer: Option A

Explanation:

Let X coins of each type of there
Total Value = Tk. 35
Now,
X + X/2 + X/4 = 35
4X + 2X + X = 140
7X = 140
X = 20

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

31 . 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?

32 . 7 in 5 percent of what number ?

33 . 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 ?

34 . 8% of 0.06 = ?

35 . 90 is 75 percent of which number given below?

36 . 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?

37 . 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?

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

39 . 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?

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

41 . 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.

42 . 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 -

43 . A ans B can do a work in 12 days. B can do the same work in 18 days. In how many days A can complete the 2/3 of the same work?

44 . A bag contains 7 red, 9 yellow and 3 black balls. If a ball is picked at random, what is the probability that the ball drawn will be either a red of a black ball.

45 . A bag contains an equal number of one rupee , 50 paisa and 25 paisa coins . If the total value is TK. 35 , how many coins of each type are there?

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