Bangladesh Krishi Bank 2012 (Inspector)

১৩৮ টি প্রশ্ন

একই বিষয়ের সব টপিক

If price of oil is increased by 33¹/₃%, by how much a housewife must reduce consumption of oil so that her expenditure on oil remains the same?

ক) 331/3% খ) 25% গ) 40% ঘ) 59%

ব্যাখ্যা (Explanation)

If price of x amount oil was 100

Then, now it is 100+331/3 = 1331/3

Housewife used to spend 100 for x amount of oil.

1331/3 is the price of x amount

100 is the price of x*100/1331/3

= x*100*3/400

= 3x/4

Must reduce (x- 3x/4)

= (4x-3x)/4

= x/4

&nbs

Area of a square field is 729 square meter. find its perimeter.

ক) 27 meter খ) 54 meter গ) 81 meter ঘ) 108 meter

ব্যাখ্যা (Explanation)

a2 = 729

a = 27

Then, Perimeter = 4a = 4*27 = 108

A and B can do a piece of work in 12 days while A alone can do it in 20 days. How long will B alone take to finish the work?

ক) 8days খ) 30days গ) 32 days ঘ) 50 days

ব্যাখ্যা (Explanation)

In 12 days, A and B can do 1 job.

In 1 day, A and B can do 1/12 job.

Again,

In 20 days, A can do 1 job

In 1 day, A can do 1/20 job

Thus, In 1 day, B alone can do (1/12 - 1/20) job

= (10-6)/120 job

= 4/120 job

= 1/30 job

Now,

If (x²-x+2)/2=4, then x could be equal to-

ক) 2 খ) 3 গ) -3 ঘ) None of these

ব্যাখ্যা (Explanation)

(x2-x+2)/2=4

or, (x2-x+2)=8

or, x2-x-8+2=0

or, x2-x-6=0

or, x2-3x+2x-6=0

or, x(x-3)+2(x-3)=0

or, (x-3)(x+2)=0

or, x=3 or, x=-2

Which number comes next in the sequence? 1,2,0,3,-1,4,..

ক) 2 খ) -2 গ) -3 ঘ) none of these

ব্যাখ্যা (Explanation)

The working variables in the sequence is the two digits at a time. Thus,

1 and 2 is the first variable.

1-1=0; 0-1=-1; Similarly, -1-1=-2

2+1=3; 3+1=4; Similarly, 4+1=5

The next number after 4 would be -2.

Mithu is ranked twenty first in a class of sixty five students,what will be his rank if the lowest candidate is assigned rank 1 ?

ক) 44 th খ) 45th গ) 46th ঘ) none of these

ব্যাখ্যা (Explanation)

Mithu is (21-1) or, 20 Person away from Rank 1.

If, He must be 20 person away from 65th person, he would be (65-20)th or 45th person.

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

ক) m Pm খ) T t J গ) t T j ঘ) T T J

ব্যাখ্যা (Explanation)

L+2=N, N+2=P,

p+1=q, q+1=r,

F+1=G, G+1=H,

In this way,

R+2=T

s+1=t

I+1=J

Ans: T t J

The day that will come 3 days after tomorrow will be Saturday. What was the day two days before Yesterday?

ক) Saturday খ) Sunday গ) Monday ঘ) None of these

ব্যাখ্যা (Explanation)

Today is (Saturday -3-1) = Monday

Yesterday is = Sunday

Two days before= Suday -2 = Friday

A & B start walking in opposite directions. A covers 3 miles and B covers 4 miles. Then A turns right and walks 4 miles and b turns left and walks 3 miles. How far is each from starting point?

ক) 8 miles খ) 5 miles গ) 4 miles ঘ) 6 miles

ব্যাখ্যা (Explanation)

From, Pythagoras Theorem,

x2 = 42+32

x2 = 16 + 9

x2 = 25

x = sq rt (25)

x = 5

Again,

y2 = 42+32

y2 = 16 + 9

y2 = 25

y = sq rt (25)

y = 5

প্রথম ৩০টি প্রশ্নের ব্যাখ্যা ওয়েবসাইটে; সবগুলোর সম্পূর্ণ ব্যাখ্যা পেতে অ্যাপ ইন্সটল করুন।

অ্যাপ ইন্সটল করুন

X is father of Y and Z but Y and Z are not brothers. What is the relationship between Y and Z?

ক) Brother and sister খ) Brother গ) Sister ঘ) Nephew

A man sold a horse at 10% profit. Had he bought it at 20% less and sold for tk. 10 more, he would have made profit of 40%. What is the cost price of the horse?

ক) Tk. 400 খ) Tk. 500 গ) Tk. 600 ঘ) Tk. 1000

ব্যাখ্যা (Explanation)

Let the CP be Tk. 100. So, SP is Tk. 110. The new CP is Tk. 80. So the new SP =140%(80)= Tk. 112 So the difference of SP’s = Tk. 2. Now, if the difference is 2, CP is 100 So, when the difference is 10, the CP is (100 * 10 / 2) taka

= 500 taka

On selling an article for certain price, a man loses 30%. What is his loss/profit percent, if he sells the article for double the price?

ক) 60% loss খ) 15%loss গ) 40% profit ঘ) 30%profit

ব্যাখ্যা (Explanation)

Selling price =100% - 30% = 70% of cost price.

New selling price = 2*70% of cost price = 140% of the cost price

Profit = 140% – 100% = 40% of cost price.

Raju is twelfth from the left and Mohit is fifteenth from the right on a row. If we interchange their positions, Mohit becomes twentieth from right. How many boys are there in the row?

ক) 30 খ) 29 গ) 32 ঘ) 31

ব্যাখ্যা (Explanation)

Graph

What number should replace the question mark? 8 3 5 7 4 3 9 3 ?

ক) 6 খ) 5 গ) 2 ঘ) 7

Fill in the blanks to make the sentence correct : The modern club is simply a more refined substitute ___ the old fashioned tavern.

ক) of খ) for গ) to ঘ) with

Which aero plane was the first to have a ‘Black box’, a computer that keeps the record of all flights movements?

ক) Boeing 747 খ) Boeing 707 গ) Super constellation DC-10 ঘ) Concorde

Under whose leadership was the Genome of Jute invented?

ক) Maksudul haque খ) kudrat e khuda গ) khorshed alam ঘ) maksudul alam

What number should replace the question mark?

7	8	8	48
9	7	5	58
11	5	7	48
6	12	5	?

ক) 58 খ) 63 গ) 67 ঘ) None of these

Each of the following questions consists of a sentece in which one word is underlined.Selected the word from the following alternatives which is opposite in meaning to the underlined word: He has superficial knowledge of the subject.

ক) shallow খ) profound গ) sufficient ঘ) excessive

ব্যাখ্যা (Explanation)

superficial- ভাসা ভাসা জ্ঞান, profound- গভীর

নিজের প্রস্তুতি যাচাই করুন — অ্যাপে লাইভ পরীক্ষা দিয়ে মেরিট লিস্টে নিজের অবস্থান দেখুন।

অ্যাপ ইন্সটল করুন

Each of the following questions consists of a sentence in which one word is underlined. Selected the word from the following alternatives which is opposite in meaning to the underlined word: The dinner set she presented to me was durable enough.

ক) worn out খ) light গ) fragile ঘ) long lasting

ব্যাখ্যা (Explanation)

durable- টেকসই

Each of the following questions consists of a sentence in which one word is underlined. Selected the word from the following alternatives which is opposite in meaning to the underlined word: He was exonerated of the charge of theft when the woman gave an evidence in his favor.

ক) Imprisoned খ) complained গ) expelled ঘ) accused

ব্যাখ্যা (Explanation)

exonerated - দোষমুক্ত করা

ক) superficial খ) through গ) thorough ঘ) courious

ব্যাখ্যা (Explanation)

cursory - দ্রুত

Bangladesh is not a member of –

ক) IMF খ) OIC গ) ILO ঘ) OPEC

The process of fragmentation of DNA in genetic Engineering is known as-

ক) Electrosynthesis খ) Electrophoresis গ) Electroanalysis ঘ) Electrolysis

A volleyball team is consists of-

ক) 8 players খ) 7 players গ) 6 players ঘ) 9 players

What was the actual name of Nazi party of Germany?

ক) National socialist party খ) National socialist workers’ and peasants’ party গ) national socialist workers’ party ঘ) /National socialist peasants party

Milk is pasteurized in order to-

ক) Destroy micro organism খ) Enhance taste and flavor গ) Increase its food value ঘ) Detect adulteration

LOT is the name of an airline of –

ক) Belgium খ) Czech republic গ) Poland ঘ) Slovakia

A company called American ferment, started in 1888, selling health food and other medical products is a big multinational now. What is its name now?

ক) Reckit benckiser খ) Johnson and Johnson গ) Kellogg’s ঘ) Sandoz

এই টপিকের সব প্রশ্ন ব্যাখ্যাসহ, ভুল-সঠিক-বুকমার্ক আলাদা করে রিভিশন — অ্যাপে।

অ্যাপ ইন্সটল করুন

Which is not a Scandinavian country?

ক) Sweden খ) Netherlands গ) Finland ঘ) Norway

সঠিক উত্তর: ০ ভুল উত্তর: ০