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## Sonali Bank Officer Job Written Exam Question Solution 2018

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Written Math Solution-2018 Sonali Bank Officer exam:

Question-1:

Amin has 12 pieces of tk 10 and TK 5 notes in his wallet.If the total value of all notes is less than TK 95,what is the maximum number of tk 10 notes that he has?

Solution:

Suppose,

Amin has 10 tk note be = x

And 5 tk note be =(12-x)

According to the question,

10*x+(12-x)5<95

=> x <7

value of x must be less than 7, because the question said how many maximum number of 10 tk note be Amin has

So Answer:6

Question-2:

A, B, C enter into a partnership. A invests 3 times 3 times as much as B and B invests two- third of C invest. At the end of the year the total profit earn 6600. What was B share?

Solution:

Suppose,

C invest = x tk

B= x*2/3=2x/3 tk
And
A=(2x/3)* 3= 2x tk

Investment ratio of

A:B:C= 2x:2x/3:x

= 6x:2x:3x

=6:2:3

Sum of ratio= (6+2+3)= 11

B ‘share = (6600*2/11) =1200 Tk

Answer:1200 tk

Question-3:A & B can complete a work in 15 days and 10 days respectively. They started doing work together but after 2 days B had to leave and A alone complete the whole work. In how many days it took to complete the whole work?

Solution:

A work in15 days 1 portion

A work in 1 day 1/15 portion

Similarly

B’s 1 day work 1/30 portion

Both (A+B), 1 days work

=(1/15)+(1/10)

= 1/6 portion

And Both 2 days work

=2/6=1/3 portion

Remaining Work=(1-1/3)

= 2/3 portion

A 1 day work= 1/15 portion

A 1/15 portion can do =1 day

2/3 part = 15*2/3= 10 day

Hence Total time taken to finish the whole work=10+2= 12 day’S

Answer:12 day’s

Question-4:

A depositor deposited 4000 at x% and 5000 at y% and earned 320 as interest. if he could deposit 5000 at x% and 4000 at y% then he would earn 310. what is value of x and y.

Solution:

According to the question,

4000× x/100+5000×y/100=320

40x+50y=320

Or, 4x+5y=32———-(1)

In the same way

(5000*x)/100+(4000*y)/100=310

Or, 5x+4y=31———-(2)

By doing (1)*5-(2)*4=»

20x+25y=160

## 20x+16y=124

Or, 9y=36

Or,y=4

Putting value of y in equation (1)

4x + 5*4=32

Or, x=3

So the value of (x,y)=(3,4)

Ans:(3,4)

#কোন সেটের অংকে #exactly_two এই কথাটা থাকলে নিচের সূএটি ব্যবহার করা যেতে পারে।

Total=All single-(exactly two groups overlap)-{2*all three}+None

Question-5:

70 students are stydying physics mathematics and chemistry. 40 students study mathematics, 35 study physics and 30 students students chemistry.15 students are studying all the subjects. How many students are studying exactly two of the subjects?

[Rupali Bank Cash(Cancelled)-2018]

Solution:

Total=All single-(exactly two groups overlap)-{2*all three}+None
Or,70=40+35+30-(Exactly two groups overlap)-2*15+0

Or,70=75 -(Exactly two groups overlap)

Or, Exactly two groups=5

Answer:5

#Alternative:Written Base

Students that studying physics ,

Set P=35

Students that studying chemistry , Set C = 30

Students that studying maths

Set M = 40

Students are studying all the subjects,PnCnM=15

Let,

PnC + CnM + PnM=x

Total = P + C + M – (PnC + CnM + PnM) + (PnCnM) + Neither

Or,70=35+30+40- x + 15 + 0

Or,x=120-70

Or, x=50

Hence,PnC + CnM + PnM=50

So,Exactly studying two of the subjects

=50-(15*3)=5

Answer:5

Question-6:if (x+1/x)=3, then the value of (x^6 + 1/x^6)=?

Answer:322

## Sonali Bank Exam Question Solution 2018

Gas Transmission Company Exam Question Solution 2018

# Sonali Bank Exam Question Solution 2018

Sonali bank Officer exam English part solution:

1) care about,

2) my best friend lives at

3) set themselves up in trade

4) Tisha has a knack for playing on piano( তিশা পিয়ানো বাজাতে পটু)

5) phrase “hit pay dirt” means to achieve something valuable after an arduous search,

6) complex form: the management of the bank is as meticulous as it could be,

7) adverb phrase,

8) thrifty with small amount but profligate with large amount,

9) the starting page of a website

10) “trade off” means —– mutually,

11) “float” antonym —- reject ,

12) correct spelling: conscionable,

13) “after” —- conjunction,

14) neutral gender: server,

15) voice change: one should keep one’s promise,

16) indirect narration: we were told,the match had already started when she had arrived,

17) Between you and me, I doubt that he will come,

18) I have never heard that kind of excuse,

19) it has been raining all day today,

20) one and a half hours is a long time

**Sonali bank exam Math part solution:**

21)

Perimeter of triangle 2S=A+B+C

=>25+40+55 that is 120

So, required No. of Pillars =120/5 that is 24 (Ans.)

22)

L : B = 1.5x : x

ATQ 1.5x * x =216

=>x^2=144

=>x=12

So, L=1.5*12 that is 18
B=1*12 that is 12

So, perimeter =2[ 18+12 ] that is 60 (Ans.)

23)

500+1200*X=4700
=>1200*X=4200

=>X=3.5 (Ans.)

24)

6*3*(1/3)*(1/4)
=>18*(1/3)

*(1/4)*

=>6(1/4)

=>6

=>1.5 (Ans.)

25)

-1/2 -1/8 -1/14 -1/6

Smallest positive number will be the largest negative number.

Here, Smallest = 1/14. As it is negative it would be largest. Ans. C

26)

Applying multiplying factor concept :

12*(1/5)*(1/2)*50 that is 60 (Ans.)

27)

96-86 => 5

86-76 => 10

76-61 =>15

So, 61-[ 41 ] => 20

So, Ans. 41

28)

P:Q = 2:1 [ Efficiency ]

Applying MDH method :

1*12=3*D

=>D=4 (Ans.)

29)

K+S=278 ••••(1)

[ K-8 ] = 2S

=>K-2S=8 •••(2)

On subtracting, S=90

So, K+90=278

=>K=188 (Ans.)

30)

Root(x)^-7 = 2^-7

=>Root(x)=2

=>x=4 (Ans.)

31)

P=5+root(2)

=>P^2=25+10root(2)+2

=>P^2=27+10root(2) (Ans.)

32)

3b+12a=1•••(1)

7b-2a=9 [ *6 ]

=>42b-12a=54•••(2)

(1)+(2) =>

45b=55

=>b=11/9

And a=-2/9

Avg = (11/9-2/9)/2 that is 0.5 (Ans.)

33)

4*(1/x^2)*x^5

=>4x^3 (Ans.)

34)

Applying successive percentage concept :

-10+10-10*10/100 that is 1% loss (Ans.)

35)

35*Nabila=25*Nuru

=>Nabila : Nuru = 25:35 or 5:7 (Ans.)

36)

Interest in 5 yrs =600/2 that is 300

If principle is tripled thn Interest also be tripled that is 3*300 =900

So, total interest =900+300 that is 1200 (Ans.)

37)

Applying multiplying factor concept :

T*(1/2)*(3/4)=3600

=>T=3600*(2/1)*(4/3) that is 9600 (Ans.)

38)

Applying, T=A+B-Both+None

=>78=41+22-9+None

=>None=24 (Ans.)

39)

a+2b=6

=>a=6-2b •••(1)

ab=4

=>b [ 6-2b ] = 4

=>6b-2b^2 =4

On solving, b=2 and a=2

So, 2/2 +1/2 that is 3/2 (Ans.)

••••••••••••••••••••••••••••

40)

Only 6 can evenly divide all the numbers .

So, Ans. 6 (Ans.)

**Sonali bank Officer exam General knowledge part solution:**

প্রশ্ন ইংরেজিতে ছিল আমি বাংলা দিয়ে উত্তর দিলাম

১।মুক্তিযুদ্ধের বীর উত্তম-৬৮

২। নূর মোহাম্মদ লড়াই করে

– যশোর

– ৩। শেখ হাসিনা ক্যান্টনমন্ট

– = পটুয়াখালি

– ৪।৬ দফার কত নং আলাদা মুদ্রা ব্যবস্থার কথা উল্লেখ ছিল ?

– =৩

– ৫। ভোক্তা অধিকার আইন কার্যকর

– = -২০০৯

– ৬।ওয়ান বেল্ট ওয়ান রোড এর প্রবর্তক

– = শিন জিং পিন

– ৭। ৪র্থ শিল্প বিপ্লবের

– = ন্যানোটেকনজি

– ৮।একুশে পদক -২০১৮ পান

– – হুমাযুন ফরিদি

– ৯।বাংলাদেশ মধ্যম আয়ের দেশ হয়

– -২০১৫

– ১০। ভারতের বর্তমান প্রেসিডেন্ট

– = রামনাথ কোবিন্দ

– ১১। চীনের কেন্দ্রীয় ব্যাংক

– =পিপলস্ ব্যাংক অব চায়না

– ১২।১ম বিমসটেক সম্মেলন হয়

– = ব্যাংকক

– ১৩।ঋণ খেলাপিদের জন্য অর্থ ঋণ আদালত আইন

– – ২০০৩

– 14.রোহিঙ্গাদের textbook of ethnic cleansing বলেছে

– = UN human rights commission

– 15.the first OIC summit on science and technilogy

– আস্তানা , কাজাখাস্তান

– ১৬।কম্পিউটারের ভুল ধরা

– = ডিবাগিং

– ১৭। ইমেইল প্রোটোকল

– SMTP

– 18.Output নয়

– = মাউস

– ১৯। মুছে যায় না

– -Rom

– ২০। ১ নিবল

– =৪ বিটস

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