Series Questions And Answers - Logical Reasoning For RRB NTPC Exams

81.

If all the digits in the given numbers are written in the reverse order, then if we divide the number by 11 which of the following number will yield highest remainder   

   A.) 498
   B.) 397
   C.) 524
   D.) 279

Answer: Option 'C'

If all the digits in the given numbers are written in the reverse order,then if we divide the number by 11 we get,
498 = 894 / 11 => Quotient = 81.2 Remainder = 3
397 =793 / 11 => Quotient = 72.09 Remainder = 1
279 = 972 / 11 => Quotient = 88.36, Remainder = 4
524 = 425 / 11 => Quotient = 38.63,Remainder = 7
716 = 617 / 11 => Quotient = 56.09 ,Remainder = 1
Highest remainder = 7 , 524 is correct answer.

82.

Find the next number in the series : 28,  25,  5,  21,  18,  5,  14,  ?

   A.) 11 5
   B.) 10 7
   C.) 5 10
   D.) 11 8

Answer: Option 'A'

This is an alternating subtraction series with the interpolation of a random number, 5, as every third number. In the subtraction series, 3 is subtracted, then 4, then 3, and so on.

83.

Find the odd man out from the given option

   A.) 26
   B.) 121
   C.) 37
   D.) 50

Answer: Option 'B'

121 is the only perfect square

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