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UGC NET Paper 1Math Reasoning

540 questions across 12 years

Public preview: answer keys and topic tags are available on many questions, while original explanations are being added selectively. Use the filters below for cleaner practice.

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Practice questions

31 questions shown in Number Series & Letter Series.

Showing Number Series & Letter Series questions.
2023 Q21

In an arithmetic series having 50 terms, the first and last terms are 3 and 199, respectively. What is the sum of the series?

Number Series & Letter Series/Hindi
2023 Q21

Find the 51st term of the following series : 12,13(1/2), 15, 16(1/2), 18, .....

Number Series & Letter Series/Hindi/answer key
2023 Q22

If the 5th term of an Arithmetic Progression (AP) series is 16 and the 9th term is 22, then find the 7th term of this series.

Number Series & Letter Series/Hindi/answer key
2023 Q22

If 5th term of an Arithmetic progression (AP) series is 16 and 9th term is 22, then find the seventh (7th) term of the series.

Number Series & Letter Series/answer key
2023 Q25

The first term in an arithmetic series of 100 terms is 7. If the last term is 205, what is the 71th term of the series?

Number Series & Letter Series/Hindi
2022 Q18

The population of a bacteria culture doubles every 2 minutes. How many minutes will it take for the population to grow from 1 to 1024?

Number Series & Letter Series/Hindi/answer key
2022 Q23

How many terms are there in the following sequences? 1, 2, 4, 8, ....................................., 4096

Number Series & Letter Series/answer key
2022 Q24

The value of $\sqrt{5\sqrt{5\sqrt{5...}}}$ ($\infty$ times)

Number Series & Letter Series/answer key
2021 Q23

A certain culture of bacteria quadruples every hour. If a container with these bacteria was half full at 10 pm, at what time was it one-eighth full?

Number Series & Letter Series/answer key
2020 Q23

Complete the series: 2, 5, 9, 19, 37, ....

Number Series & Letter Series
2019 Q15

Identify the term 'X' in the following series 4, 12, 42, 168, X

Number Series & Letter Series/answer key
2019 Q18

The sum of all even natural numbers between 1 and 81 is:

Number Series & Letter Series/answer key
2019 Q22

The number X in the following series: 3, 8, 18, 38, X, ... is

Number Series & Letter Series/answer key
2019 Q24

The price of item A increases by 50 paise every year while the price of item B increases by 25 paise every year. If in 2008, the price of item A was Rs. 3.20 and that of B was Rs....

Number Series & Letter Series
2018 Q20

The next term in the series is . 56, 40, 27, 17, 10,

Number Series & Letter Series
2018 Q21

In the sequence of numbers 1, 2, 6, 33, 49, 174, 210, x,......., the term x is:

Number Series & Letter Series/answer key
2018 Q21

The next term in the number series 41, 27, 16, 8, ______ is:

Number Series & Letter Series/answer key
2018 Q21

in the sequence of numbers 5, 19, 49, 101, 181, 295, x,......, the term x is:

Number Series & Letter Series
2018 Q23

The next term in the series 0, 1, 9, 36, 100, ____ is:

Number Series & Letter Series/answer key
2018 Q30

The next term in the number series 10, 13, 22, 49, ______.

Number Series & Letter Series/answer key
2017 Q13

The missing term in the series 1, 4, 27, 16, ?, 36, 343, ... is

Number Series & Letter Series
2017 Q13

श्रृंखला 1, 4, 27, 16, ?, 36, 343, ... में छूटा हुआ पद है

Number Series & Letter Series
2017 Q54

श्रृंखला 1, 4, 27, 16, ?, 36, 343, ... में छूटा हुआ पद है

Number Series & Letter Series/Hindi
2015 Q3

The next term in the series is : 2, 5, 9, 19, 37, ?

Number Series & Letter Series
2015 Q3

इस श्रृंखला की अगली संख्या क्या होगी ? 2, 5, 9, 19, 37, ?

Number Series & Letter Series
2015 Q7

The next term in the series 2, 5, 10, 17, 26, 37, ___?___ is:

Number Series & Letter Series
2015 Q7

इस श्रृंखला की अगली संख्या क्या होगी ? 2, 5, 10, 17, 26, 37, ?

Number Series & Letter Series
2015 Q33

इस श्रृंखला की अगली संख्या क्या होगी ? 2, 5, 10, 17, 26, 37, ?

Number Series & Letter Series
2015 Q33

The next term in the series 2, 5, 10, 17, 26, 37, ? is:

Number Series & Letter Series
2015 Q46

इस श्रृंखला की अगली संख्या क्या होगी ? 2, 5, 9, 19, 37, ?

Number Series & Letter Series
2015 Q46

The next term in the series is : 2, 5, 9, 19, 37, ?

Number Series & Letter Series