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Q:

Find the number of ways to draw a straight, (suit does not matter) beginning with a 4 and ending with a 8?

A) 1024 B) 1296
C) 1094 D) 1200
 
Answer & Explanation Answer: A) 1024

Explanation:

There are 5 slots.

 

                   __ __ __ __ __

 

The first slot must be a four. There are 4 ways to put a four in the first slot.

 

There are 4 ways to put a five in the second slot, and there are 4 ways to put a six in the third slot. etc.

 

(4)(4)(4)(4)(4) = 1024

 

Therefore there are 1024 different ways to produce the desired hand of cards.

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Filed Under: Permutations and Combinations

Q:

A five-year promissory note with a face value of $3500, bearing interest at 11%  compounded semiannually, was sold 21 months after its issue date to yield the buyer 10% compounded quarterly.What amount was paid for the note

A) 4336.93 B) 5336
C) 6336 D) 7336
 
Answer & Explanation Answer: A) 4336.93

Explanation:

i=j/m

Maturity value = PV(1 + i)^n

Term = 5 years - 21 months=  3.25 years

Price paid = FV(1+ i )^-n

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

How many 3-digit numbers can be formed with the digits 1,4,7,8 and 9 if the digits are not repeated ?

A) 60 B) 26
C) 50 D) 64
 
Answer & Explanation Answer: A) 60

Explanation:

Three digit number will have unit’s, ten’s and hundred’s place.

 

Out of 5 given digits any one can take the unit’s place.

 

This can be done in 5 ways. ...              (i)

 

After filling the unit’s place, any of the four remaining digits can take the ten’s place.

 

This can be done in 4 ways. ...              (ii)

 

After filling in ten’s place, hundred’s place can be filled from any of the three remaining digits.

 

This can be done in 3 ways. ... (iii) 

 

So,by counting principle, the number of 3 digit numbers = 5x 4 x 3 = 60

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Filed Under: Permutations and Combinations

Q:

How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?

A) 4050 B) 3600
C) 1200 D) 5040
 
Answer & Explanation Answer: D) 5040

Explanation:

'LOGARITHMS' contains 10 different letters.

 

Required number of words = Number of arrangements of 10 letters, taking 4 at a time.

 

= 10P4

 

= 5040.

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Filed Under: Permutations and Combinations

Q:

Which among the following validators allows checking if data of one control match with other control?

A) RangeValidator B) CompareValidator
C) RequiredFieldValidator D) None
 
Answer & Explanation Answer: B) CompareValidator

Explanation:

CompareValidator  allows checking if data of one control match with other control

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Filed Under: .NET
Job Role: Software Architect

Q:

Which among the following is used to send data from one page to another with the URL but you can send limited size of data with the URL

A) Cookies B) View state
C) Querystring D) None
 
Answer & Explanation Answer: C) Querystring

Explanation:

Querystring is used to send data from one page to another with URL.But it can store only some minimum amount of data.Most browsers allow a limit of 255 characters on URL length

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Filed Under: .NET
Job Role: Software Architect

Q:

Electromagnetic radiation with maximum wavelength is

A) ultraviolet B) radio waves
C) x-rays D) infrared
 
Answer & Explanation Answer: B) radio waves

Explanation:
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Filed Under: Chemistry

Q:

The particle with 13 protons and 10 electrons is

A) Al -atom B) Al3+ ion
C) nitrogen isotope D) None of these
 
Answer & Explanation Answer: B) Al3+ ion

Explanation:
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Filed Under: Chemistry