HCL Number Series Quiz-1

Sol: In this series, there is alternating addition and subtraction. In the first pattern, 5 is added; in the second, 2 is subtracted.

Sol: This is an alternating number subtraction series. First, 4 is subtracted, then 5, then 4, then 5 and so on.

This is an alternating division and addition series: First, divide by 2, and then add 4. 

In this series, each number is repeated, then 7 is subtracted to arrive at the next number.

 In this alternating repetition series, the random number 18 is interpolated with every other number into an otherwise simple addition series that increases by 5, beginning with the number 4. 

 This is a simple addition series with a random number, 15, interpolated as every other number. In the series, 5 is added to each number except 15, to arrive at the next number.

This is a simple alternating subtraction series, which subtracts 1, then 4.

In this simple addition series, each number increases by 0.7

This is an alternating multiplication and subtracting series: First, multiply by 3 and then subtract 5.

In this addition series, 1 is added to the first number; 2 is added to the second number; 3 is added to the third number; 4 is added to the fourth number; and go on.