Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

মোট প্রশ্ন: ৭৬

পৃষ্ঠা এর পরবর্তী

which utility program could improve the speed of disk?

.
Fragmentation
.
Defragmentation
✓ সঠিক উত্তর
.
Disk scanning
.
System restore

ব্যাখ্যা

Microsoft Drive Optimizer (formerly Disk Defragmenter) is a utility in Microsoft Windows designed to increase data access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation. 
বিষয়: তথ্য প্রযুক্তিরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

out of total profit,A gets 40%, B 25%, C 20%, D 10%, and E 5%. A's profit is what percentage of that of B?

.
150%
.
160%
✓ সঠিক উত্তর
.
400%
.
200%

ব্যাখ্যা

Given:
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

If u>t,r>q,s>t,t>r, Which of the following must be true? 1. u>s 2.s>q 3.u>r

.
1 only
.
2 only
.
3 only
✓ সঠিক উত্তর
.
2 and 3 only
বিষয়: গণিতরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

If x=-1,then -(x4+x3+x2+x)=

.
-10
.
-4
.
4
বিষয়: গণিতরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

3.003/2.002=?

.
1.05
.
1.50015
.
1.5
✓ সঠিক উত্তর
.
1.5015

ব্যাখ্যা

We can rewrite 3.003/2.002 as 3003/2002, which is equal to 1.5
বিষয়: গণিতরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

If 18 is 15 percent of 30 percent of a certain number, what is the number?

.
400
✓ সঠিক উত্তর
.
36
.
40
.
81
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

A train travels from New York to Chicago, a distance of approximately 840 miles , at an average rate of 60 miles per hour and arrives in chicago at 6.00 in the evening , chicago time. At what hour in the morning . New York City time, did the train depart for chicago?

.
4:00
✓ সঠিক উত্তর
.
5:00
.
6:00
.
7:00
বিষয়: গণিতটপিক: গড় (Average)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

If n is an even positive integer and K +2 =3n , which of the following could be a value of k?

.
1
.
4
✓ সঠিক উত্তর
.
7
.
25
বিষয়: গণিতটপিক: পাটিগণিত প্রাথমিক ধারণা (Basic Concept)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011

If the length and width of a rectangular garden plot were each increased by 20 percent, what would be the percent increase in the area of the plot?

.
44%
✓ সঠিক উত্তর
.
24%
.
36%
.
4%

ব্যাখ্যা

Shortcut -
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১০

The average of 6 numbers is 8.5 , when one number is discarded the average of the remaining numbers becomes 7.2 .what is the discarded number?

.
7.8/
.
15
✓ সঠিক উত্তর
.
10.0
.
12.4
বিষয়: গণিতটপিক: গড় (Average)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১১

3.003/2.002 =?

.
1.05
.
1.501015
.
1.5
✓ সঠিক উত্তর
.
1.5015

ব্যাখ্যা

২.০০২)৩.০০৩(১.৫
বিষয়: গণিতরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১২

If b< 2 and 2x -3b=0 , which of the following must be true?

.
X> -3
.
X <2
.
X =3
.
X <3
✓ সঠিক উত্তর

ব্যাখ্যা

Given that,
বিষয়: গণিতরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১৩

what is the least integer that is a sum of three different primes each greater than 20?

.
69
.
73
.
83
✓ সঠিক উত্তর
.
79
বিষয়: গণিতটপিক: পাটিগণিত প্রাথমিক ধারণা (Basic Concept)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১৪

A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount from the discount price during a special sale, what would be the lowest possible price of a toy costing Tk. 16 before any discount?

.
Tk. 5.60
.
Tk. 7.20
✓ সঠিক উত্তর
.
Tk. 8.80
.
Tk. 9.60

ব্যাখ্যা

Let cost price(CP) of toy is 100 tk
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১৫

you can now buy 5 more Mangoes with Tk. 75 due to reduction in price by 20 percent . Calculate the current price of one dozen of Mangoes.

.
24
.
30
.
36
✓ সঠিক উত্তর
.
32

ব্যাখ্যা

Let
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১৬

The organizers of a fair projected a 25 percent increase in attendance this year over that of last year, but attendance this year actually decreased by 20 percent . what percent of the projected attendance was the actual attendance?

.
45%
.
56%
.
64%
✓ সঠিক উত্তর
.
75%
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১৭

Maria Purchased brand X pens for Tk. 4.00 apiece and brand Y pens for Tk. 2.80 apiece. If Maria purchased a total of 12 of those pens for Tk. 42.00 ,how many brand x pens did she purchase?

.
4
.
5
.
6
.
7
✓ সঠিক উত্তর

ব্যাখ্যা

Let,    number of X brand pens that she purchased = P
বিষয়: গণিতরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১৮

If the population of a certain country increases at the rate of one person every 15 second, by how many persons does the population increase in 20 minutes?

.
80
✓ সঠিক উত্তর
.
100
.
150
.
240

ব্যাখ্যা

Population increased in 15 sec = 1
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
১৯

Ina survey of the people in Dhaka, it was found that 65% of the people surveyed watched the news on television, 40% read a newspaper, and 25% read a newspaper and watched the news on television . what percent of the people surveyed neither watched the news on television nor read a newspaper?

.
0%
.
20%
✓ সঠিক উত্তর
.
10%
.
15%

ব্যাখ্যা

Watched the news on television Only = 65 - 25 = 40%
বিষয়: গণিতটপিক: শতকরা (Percentage)রেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011
২০

The Value of -3 -(-10) is greater than the value of -10 -(-3) by

.
6
.
7
.
14
✓ সঠিক উত্তর

ব্যাখ্যা

-3-(-10)=-3+10=7•••••••(1)
বিষয়: গণিতরেফারেন্স: Pubali Bank Ltd - Junior Officer (Cash) -06.05.2011