Bangladesh Bank - Assistant Director - 2015

মোট প্রশ্ন: ৮০

৪১

Unless new reserves are found , the world's supply of coal is being depleted in such a way that with demand continuing to grow at present rate, reserves will be exhausted by the year 2050. What is the best conclusion that can be drawn from the above paragraph ?

.
It is the time to search for alternative
✓ সঠিক উত্তর
.
New reserves of coal would be found before 2050
.
Demand for coal is growing fast
.
World's coal reserve is declining
বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪২

Nobody believes a man who lacks confidence in his ability . None should sit idle and shirk his duty on the plea that it is beyond his power to do without the help of others . Such a man always falls behind . He meets failures and suffers in the long run . So that everyone should possess the virtue of -

.
punctuality
.
dignity
.
boldness
.
self-reliance
✓ সঠিক উত্তর
বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪৩

Differences in the way men and women process language are of special interest to brain researchers. It is known that 'aphasia' , a kind of speech disorder , is more common in men than in women when the left side of the brain is damaged in an accident or after a stroke. However , women are more likely than men to suffer 'aphasia' when the front part of the brain is damaged . The idea implied in the above passage is -

.
Brain damaged can be caused by an accident
.
Brains of men and women are organized differently in the way they process speech
✓ সঠিক উত্তর
.
Both sides of the brain are responsible for speech organization
.
Brain researchers are locked in argument over the process of language development
বিষয়: গণিতটপিক: সরল ও যৌগিক মুনাফা  (Simple & Compound interest)রেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪৪

If 20 percent of 80 percent of a number is 12.8, then what is the number ?

.
80
✓ সঠিক উত্তর
.
50
.
40
.
9

ব্যাখ্যা

Let, the number is x
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪৫

If you divide 30 by half and add 10 with the resulting figure , then what is the final result ?

.
25
.
70
✓ সঠিক উত্তর
.
45
.
55

ব্যাখ্যা

 
বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪৬

Sum of 10 integer is 462. The average of first 4 number is 52 and the average of last 5 number is 38. What is the fifth number ?

.
64
✓ সঠিক উত্তর
.
60
.
50
.
62
বিষয়: গণিতটপিক: গড় (Average)রেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪৭

When the diameter of a circle is trebled , the area is multiplied by how many times ?

.
3
.
6
.
9
✓ সঠিক উত্তর
.
12
বিষয়: গণিতটপিক: বৃত্ত (Circle)রেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪৮

Which of the following is the 250% of 1 ?

.
0.25
.
2.5
✓ সঠিক উত্তর
.
25
.
0.025

ব্যাখ্যা

=১×(২৫০/১০০)
বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৪৯

What is the difference of largest and smallest prime number between 60 and 80 ?

.
8
.
12
.
18
✓ সঠিক উত্তর
.
140
বিষয়: গণিতটপিক: পাটিগণিত প্রাথমিক ধারণা (Basic Concept)রেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫০

A student loses 1 mark for every wrong answer and scores 2 marks for every correct answer . If he answers all the 60 questions in an exam and scores 39 marks , how many of them were correct ?

.
33
✓ সঠিক উত্তর
.
31
.
27
.
37
বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫১

Twenty-seven persons attended a party . Which one of the following statements can never be true ?

.
There is a person in the party who is acquainted with all the twenty-six others .
.
Each person in the party has a different number of acquaintances
✓ সঠিক উত্তর
.
There is a person in the party who has an odd number of acquaintances
.
In the party, there is no set of three mutual acquaintances .
বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫২

which one of the following figure is different from the rest three?

বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫৩

The following figure consists of twenty-seven cubes. How many cubes will get closed on all sides by other cubes?

.
1
✓ সঠিক উত্তর
.
2
.
3
.
6
বিষয়: গণিতরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫৪

when the diameter of a circle is trebled , the area is multiplied by how many times?

.
3
.
6
.
9
✓ সঠিক উত্তর
.
12
বিষয়: গণিতটপিক: বৃত্ত (Circle)রেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫৫

A sneering person who always finds faults -

.
Cynic
✓ সঠিক উত্তর
.
Cupid
.
Kleptomaniac
.
Crone
বিষয়: ইংরেজিটপিক: Substitutionsরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫৬

An instrument for measuring the force of the wind -

.
Manometer
.
Micrometer
.
Hydrometer
.
Anemometer
✓ সঠিক উত্তর
বিষয়: ইংরেজিটপিক: Substitutionsরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫৭

A short journey for pleasure -

.
Jaunt
✓ সঠিক উত্তর
.
Voyage
.
Travelling
.
Walking
বিষয়: ইংরেজিটপিক: Substitutionsরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫৮

Spot the odd man out .

.
Electricity
✓ সঠিক উত্তর
.
Coal
.
Wood
.
Gas
বিষয়: ইংরেজিটপিক: Substitutionsরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৫৯

Select an appropriate term that completes the series L p F, N q G, P r H, R s I, _____

.
m P m
.
T t J
✓ সঠিক উত্তর
.
t T j
.
T T J
বিষয়: ইংরেজিটপিক: Correctionsরেফারেন্স: Bangladesh Bank - Assistant Director - 2015
৬০

If 10 person shake their hands with each other , then total number of handshakes are --

.
100
.
20
.
50
.
45
✓ সঠিক উত্তর
বিষয়: ইংরেজিটপিক: The Number-Correctionরেফারেন্স: Bangladesh Bank - Assistant Director - 2015