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Bangladesh Bank AD Written Full Question Solution:

Exam Type:  Written

Post: Assistant Director (AD)

Total Candidate: 9837

MCQ Exam date Was: 6 July 2018

Exam Taker: Arts Faculty, DU

Written Exam Date: 27 July 2018

Written Exam Time: 10.00 AM to 12.00 PM

See Bangladesh Bank AD Written Question Solution in below:

Written Math Solution:

8.

A.
A senior citizen invest Tk. 50 lac in a fixed deposit scheme at 11.5 % annual interest for six months. In every six months he withdraws Tk. 2 Lac from his principal plus interest earned. What will be his principal amount to invest after two years?

Ans: 42 Lac

B.

After traveling 108 km, a cyclist observed that he would have required 3 hrs less if he could have traveled at a speed 3 km/hr more. At what speed did he travel?

S*T = 108
Again, (S+3)(T-3) = 108
=> ST – 3S + 3T – 9 = ST
=> 3T – 3S = 9
=> T – S = 3
=> T = S+3
Now, S*(S+3) = 108
=> S² + 3S – 108 = 0
=> S² + 12S – 9S – 108 = 0
=> S(S+12) – 9(S+12) = 0
=> (S+12)(S-9) = 0
S = 9 (Ans.)

SHORTCUT:

108 = 9*12 = 12*9
D = S*T
So, S = 9 and T = 12

Ans: 9

C. Three numbers are in A.P. and their sum is 30. Also, the sum of their squares is 308. Find the numbers.

Solution: 

Let,
Second Term = a
Common deference = d
So, first term will be = a – d
Third term will be = a + d

OR,

Let the Three numbers: a,a+x,a+2x
Atq, 3a+3x=30
A+X=10
X=10-A
And,
A.A+10.10+(20-A)(20-A)=308
500+2A.A-40A-308=0
A.A -20A+192=0
A=8,12
A=8
8,10,12

Ans: 8,10,12

D.

A square is inscribed inside a circle. What is the area of the square, if the radius of the circle is 10 cm?

Here,

Radius of circle = 10 cm
So, Diameter of circle = 10*2 = 20 cm
Then, Diagonal of square = 20 cm
Therefore, Area of square = d^2/2 = 20^2/2 = 400/2 = 200 cm^2

Ans: 200 CM2

7. Analytical Part:

A: 

Ans:  Write Yourself

B. 50 daily workers can complete a dam project in 40 days. If 30 of them work daily and the rest work in every alternative day, how many more days will be required to complete the project.

Solution:

Total Works: 50*40=2000
30*40=1200
20*20=400
Total =1600

Ans: 10 days

C. 3 coins are tossed random. Construct the sample space and find the probability of getting.

Ans: 3/8, 3/8, 3/8

D. Analyze your Strength and weakness.

Ans: Write Yourself

See Bangladesh Bank AD Written Question in below PDF:

BB AD Written Question 2018 PDF

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Another Set:

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Bangladesh Bank AD Written Full Question Solution:

Bangladesh Bank AD Written Full Question Solution is available above. We publish different educational post in our website. Exam question solution is one of the most important concern of our website. Bangladesh Bank (BB) Job Circular update at  https://erecruitment.bb.org.bd. Bangladesh Bank (BB) has published job circular on 01 categorizes post. Bangladesh Bank (BB)  is the central bank in Bangladesh. Bangladesh Bank (BB) has published a huge job circular  by the Authority. All information regarding the appointment of Bangladesh Bank (BB)  given on our website jobstestbd.com. We Publish all Jobs Circular Every day, Such as Government Jobs in Bangladesh, Bank Jobs in Bangladesh, Private Jobs in Bangladesh, International NGO in Bangladesh, Private Company in Bangladesh, Private University Jobs in Bangladesh. Bank Jobs Results, Government Jobs Results, Government University Jobs result in Bangladesh and all Part time Jobs in Bangladesh and other educational support are available here in our website. We provide different types of job information with also provide some effective information or resource and job tips which helps to get job easily. We trust that our distributing data helps the activity searchers who are finding a superior employment. We likewise share slanting assets for learner uniquely who is re expanding their insight. Our principle target turns into a trusty occupations round site in Bangladesh by distributing a genuine refresh that enables the joblessness to individuals. All the jobs of this website is not for the unemployed people but also employed people too. All type of suggestions, question solutions of different competitive exam are available here. We provide all type of educational support in our website jobstestbd.com. So everyday tune with our website for all kinds of educational support. Please like our facebook page jobstestbd.com.

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Bangladesh Bank AD MCQ Question Full Solution 2018