Collection of number series exercizes
Number series questions are
an integral part of almost all numerical reasoning tests. Many
companies deal with processing and analysing numerical data in daily
work.
Employers and organizations
are interested in evaluating candidates' skills in solving because
they will need them in a in a realistic workplace context.
111. What number comes next?
Answer The pattern is:This is an alternating multiplication and
subtracting series:
First, multiply by 2 and then subtract 6 76-6=70 The answer is 70
112. What number comes next?
Answer The pattern is:This is an alternating multiplication an division
series.
First multiple by 2 and then division by 10.
5x2=10 10/10=1 1x2=2 2/10=1/5
So the next term is 1/5 x 2 = 2/5 Correct answer is 2/5
113. What number comes next?
Answer The pattern is:In this alternating repetition series, the
random number 18 is interpolated every other
number into an otherwise simple addition
series that increases by 2, beginning with the
number 8.The answer is 12+2=14
114. What number comes next?
Answer The pattern is:This is an alternating multiplication and
subtracting series: First, multiply by 2 and then
subtract 8. 24-8=16 Answer is 16
115. What number comes next?
Answer The pattern is:Two independent series
This is an alternating addition and subtraction
series. In the first pattern, 10 is subtracted from
each number to arrive at the next. In the
second, 5 is added to each number to arrive at the next. Answer is 15+5=20
116. Find the next two terms
Answer The pattern is:In this alternating repetition series, a random
number, 15, is interpolated every third number
into a simple addition series, in which each
number increases by 3. 20+3=23 The answer is 23, 15
117. Find the next two terms
Answer The pattern isThis is an alternation multiplication and
addition series.
First we multiple by 2 to go to the next term
and then add 3 to go to the next term
8x2=16 16+3=19 19x2=38 38+3=41
41x2=82 82+3=85 85x2=170:
118. Find the next two terms
Answer The pattern is:This is an alternating multiplication series.
First we multiple by 3 and then we multiple
by 2.
3x3=9 9x2=18 18x3=54 54x2=108
108x2=324 324 x2=648
648x3=1944 1944x2=3888
119. Find the next two terms
Answer The pattern is:his is alternating addition series in which 2
is added twice, then 3 is added once, then 2 is
added twice, and so on.Answer is 75,77
120. Find the next two terms
Answer The pattern is:This is an alternating addition and subtraction
series, in which the addition of 6 is alternated
with the subtraction of 3.The answer is 35,32
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