National Bank Ltd. Exam Questions Solution

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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

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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