Series Questions And Answers - Logical Reasoning For RRB NTPC Exams

1.

Which of the following number yields maximum remainder, when it is divided by 25 ?  

   A.) 221
   B.) 398
   C.) 879
   D.) 913

Answer: Option 'B'

The numbers when divided by 25 , we get
221 => 221 / 25 => Quotient = 8.84, Remainder = 21
913 => 913 / 25 => Quotient =36.52 ,Remainder = 13
489 => 489 / 25 => Quotient =19.56 ,Remainder = 14
879 =>879 / 25 => Quotient = 35.16 ,Remainder = 4
398 => 398 / 25 => Quotient= 15.92 ,Remainder = 23
The maximum remainder, 23 , 398 is correct answer.

2.

If the middle digit in all the numbers are removed, then which of the following number will be maximum ?

   A.) 419
   B.) 383
   C.) 525
   D.) 466

Answer: Option 'C'

​525

3.

Find the next two terms : 
32, 31, 32, 29, 32, 27, 32,

   A.) 25, 32
   B.) 31, 32
   C.) 38, 32
   D.) 41, 32

Answer: Option 'A'

This is a simple subtraction series with a random number, 32, interpolated as every other number.
In the series, 2 is subtracted from each number except 8, to arrive at the next number.

4.

Find the next term in the series: 2 8 14 20 26 32 38 

   A.) 2 46
   B.) 44 50
   C.) 40 42
   D.) 42 48

Answer: Option 'B'

This is a simple addition series, which begins with 2 and adds 6.
44 , 50 are missing numbers.

5.

In the given numbers if the digit in the hundredth place is removed, which of the following numbers will be maximum? 

   A.) 461
   B.) 321
   C.) 510
   D.) 481

Answer: Option 'D'

In the given numbers if the digit in the hundredth place is removed,
461 = 61
321 = 21
510 = 10
481 = 81
255 = 55
81 is maximum, 481 is correct answer.

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