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### National Bank Ltd. Exam Questions Solution

**NOTE:**

Exam : MCQ+ Written

Post : Probationary Officer

Exam date : 08/12/2017

Exam time : 10.00 AM to 11.30 AM

Below of NBL MCQ Question Solution :

**Solution of written math:**

**Question-1:**

A, B, C can complete a work in 16, 32, 48 days respectively.After starting work 4 days later C left and B left 2 days before the completion of the work.How many days require to complete the work?

Solution:

Let,

Total time taken is x days

According to the question,

x/16+(x-2)/32+4/48=1

Or,6x+3x-6+8=96

Or,9x=94/9

Answer:94/9 or 10.44 days

**Alternative Solution:**

LCM of 26,32&48 is 96

Let,

Total work=96

efficiency of

A= 96/16=6 units

B= 96/32=3 units

C=96/48=2 units

worked done by A,B,C in 4 days = (6+3+3)*4=44 units

worked done by A in 2 days = 2*6= 12 units

Remaining work

= 96-(44+12)

=40 units

remaining worked done by A&B

= 40/9

Total days = (4+2+40/9)=10(4/9) days

Answer:10.44 days

**Question-2:**

The perimeter of a square is equal to the perimeter of a rectangle field. The length of the rectangle is three times of its width and the area is 768 sq.meter. How many square sized tiles of 80 cm width will be required to cover the square field ?

**Solution:**

Let,

The width of the rectangle is x m

And the length of the rectangle is 3x meter

According to the question,

x*3x=768

Or, x=16

So,

The width of rectangle is 16 meter

And length of rectangle is (3*16)=48 meter

Perimeter of the rectangle

=2(16+48)

=128 m

Suppose,

Each side of the square is a meter

Since the perimeter of the square is equal to the perimeter of the rectangle

4a=128

Or, a=32

Area of the square

=32*32

=1024 square meter

=10240000 square cm

Each tiles wide is 80 cm

Area of the tiles

=(80*80) square cm

Required tiles need

=(10240000/6400)

=1600

Ans:1600

**Question-3:**

Aman,Belal and Chad started a small business with a total amount tk 28,000.Aman paid tk 4500 more than Belal and Belal paid tk 7000 less than Chad.If the company made a profit of tk 5600 .How much profit should Belal receive?

**Solution:**

Let,

Belal paid be x tk

Aman paid be (x+4500) tk

Chad paid be (x+7000) tk

According to the question,

x+x+4500+x+7000=28000

Or, x=5500

Belal paid=5500 tk

Aman paid=10,000 tk

Chad paid =12500 tk

Ratio of investment is

Aman:Belal:Chad

=10,000:5500:12500

=20:11:25

Sum of ratio=56

Total profit =5600 tk

Belal should receive profit

=5600*(11/56)

=1100 tk

Ans:1100 tk

**Question 4:**

Ans: 2/5

**Full MCQ question solution:**

**Bangla:**

১৬. ঘ সদাচার

১৭. ঘ) তাড়াতাড়ি ভাত খেয়ে উঠ

১৮. খ) চির অশান্তি

১৯. খ) জীবনী

২০. গ) ক্ষমার্হ

**GK and Intelligence:**

35. Who is the present president of Zimbabwe? d) none (Emmerson Mnangagwa)

36. Who was known as “Poet of Bhamropotra?- b) Bhupen Hazarika

সকল চাকরির পরীক্ষার সময়সূচী ও ফলাফল মোবাইলে Notification পেতে নিচের **Android apps** মোবাইলে রাখেন: Jobs EXam Alert

37. won his 100th test cricket Against in which country?c) Srilanka

38. Which painter was awarded “Man of Asia ” by Cambridge University? SM Sultan

39. SDG will be achieved by- c) 2030

40. b) 55

41. d) M

42. a) 32408

43. a) 12

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