Recent questions tagged series

+3 votes

2 answers

1

ISI2014-DCG-4
$\underset{n \to \infty}{\lim} \dfrac{1}{n} \bigg( \dfrac{n}{n+1} + \dfrac{n}{n+2} + \cdots + \dfrac{n}{2n} \bigg)$ is equal to $\infty$ $0$ $\log_e 2$ $1$

asked Sep 23 in Calculus by Arjun Veteran (424k points) | 92 views

+1 vote

2 answers

2

ISI2014-DCG-16
The sum of the series $\dfrac{1}{1.2} + \dfrac{1}{2.3}+ \cdots + \dfrac{1}{n(n+1)} + \cdots $ is $1$ $1/2$ $0$ non-existent

asked Sep 23 in Numerical Ability by Arjun Veteran (424k points) | 46 views

+1 vote

1 answer

3

ISI2014-DCG-23
The sum of the series $\:3+11+\dots +(8n-5)\:$ is $4n^2-n$ $8n^2+3n$ $4n^2+4n-5$ $4n^2+2$

asked Sep 23 in Numerical Ability by Arjun Veteran (424k points) | 30 views

+1 vote

0 answers

4

ISI2014-DCG-65
The sum $\dfrac{n}{n^2}+\dfrac{n}{n^2+1^2}+\dfrac{n}{n^2+2^2}+ \cdots + \dfrac{n}{n^2+(n-1)^2} + \cdots \cdots$ is $\frac{\pi}{4}$ $\frac{\pi}{8}$ $\frac{\pi}{6}$ $2 \pi$

asked Sep 23 in Numerical Ability by Arjun Veteran (424k points) | 39 views

+2 votes

2 answers

5

ISI2015-MMA-10
The value of the infinite product $P=\frac{7}{9} \times \frac{26}{28} \times \frac{63}{65} \times \cdots \times \frac{n^3-1}{n^3+1} \times \cdots \text{ is }$ $1$ $2/3$ $7/3$ none of the above

asked Sep 23 in Calculus by Arjun Veteran (424k points) | 35 views

+1 vote

1 answer

6

ISI2015-MMA-17
Let $X=\frac{1}{1001} + \frac{1}{1002} + \frac{1}{1003} + \cdots + \frac{1}{3001}$. Then, $X \lt1$ $X\gt3/2$ $1\lt X\lt 3/2$ none of the above holds

asked Sep 23 in Numerical Ability by Arjun Veteran (424k points) | 16 views

+1 vote

1 answer

7

ISI2015-MMA-54
If $0 <x<1$, then the sum of the infinite series $\frac{1}{2}x^2+\frac{2}{3}x^3+\frac{3}{4}x^4+ \cdots$ is $\log \frac{1+x}{1-x}$ $\frac{x}{1-x} + \log(1+x)$ $\frac{1}{1-x} + \log(1-x)$ $\frac{x}{1-x} + \log(1-x)$

asked Sep 23 in Others by Arjun Veteran (424k points) | 11 views

+1 vote

0 answers

8

ISI2015-MMA-84
For positive real numbers $a_1, a_2, \cdots, a_{100}$, let $p=\sum_{i=1}^{100} a_i \text{ and } q=\sum_{1 \leq i < j \leq 100} a_ia_j.$ Then $q=\frac{p^2}{2}$ $q^2 \geq \frac{p^2}{2}$ $q< \frac{p^2}{2}$ none of the above

asked Sep 23 in Others by Arjun Veteran (424k points) | 10 views

0 votes

1 answer

9

ISI2016-DCG-17
The smallest integer $n$ for which $1+2+2^{2}+2^{3}+2^{4}+\cdots+2^{n}$ exceeds $9999$, given that $\log_{10}2=0.30103$, is $12$ $13$ $14$ None of these

asked Sep 18 in Numerical Ability by gatecse Boss (16.8k points) | 9 views

0 votes

0 answers

10

ISI2017-DCG-13
The value of $\dfrac{x}{1-x^2} + \dfrac{x^2}{1-x^4} + \dfrac{x^4}{1-x^8} + \dfrac{x^8}{1-x^{16}}$ is $\frac{1}{1-x^{16}}$ $\frac{1}{1-x^{12}}$ $\frac{1}{1-x} – \frac{1}{1-x^{16}}$ $\frac{1}{1-x} – \frac{1}{1-x^{12}}$

asked Sep 18 in Numerical Ability by gatecse Boss (16.8k points) | 11 views

0 votes

1 answer

11

ISI2017-DCG-26
The value of $\underset{n \to \infty}{\lim} \bigg( \dfrac{1}{1-n^2} + \dfrac{2}{1-n^2} + \dots + \dfrac{n}{1-n^2} \bigg)$ is $0$ $ – \frac{1}{2}$ $\frac{1}{2}$ none of these

asked Sep 18 in Calculus by gatecse Boss (16.8k points) | 10 views

+1 vote

0 answers

12

dbms ace test series
SQL view is said to be updatable (that is, inserts, updates or deletes can be applied on the view) if which of the following conditions are satisfied by the query defining the view? 1. The select clause contains only attribute names of the relation, and ... clause has only one database relation. 3. The query does not have a group by or having clause. 4. All of the mentioned

asked Mar 29 in Databases by Priyansh Singh Junior (545 points) | 12 views

0 votes

1 answer

13

digital

asked Nov 16, 2018 in Digital Logic by nag.swarna (177 points) | 25 views

0 votes

0 answers

14

digital

asked Nov 16, 2018 in Digital Logic by nag.swarna (177 points) | 26 views

0 votes

0 answers

15

digital
Given answer is T flipflop .Please provide the solution if you are getting correct answer

asked Nov 16, 2018 in Digital Logic by nag.swarna (177 points) | 33 views

0 votes

0 answers

16

Test zeal

asked Oct 11, 2018 in Operating System by Prince Sindhiya Loyal (5.7k points) | 32 views

0 votes

0 answers

17

Testseries zeal mock
In these question i am getting 48 ,my doubt Is that ,in the question context switching overhead is 1 unit so in Gant chart , i have taken the overhead 1 unit when P2 finishes it's io at 44 unit , please tell me that is it required to consider the context switching time here just see it

asked Oct 11, 2018 in Operating System by Prince Sindhiya Loyal (5.7k points) | 63 views

+1 vote

0 answers

18

Digital topic test
I am confused between option B) and D)

asked Oct 7, 2018 in Digital Logic by Prince Sindhiya Loyal (5.7k points) | 35 views

0 votes

1 answer

19

Digital topic test
Please explain it i am not understanding the working of it .

asked Oct 7, 2018 in Digital Logic by Prince Sindhiya Loyal (5.7k points) | 44 views

+1 vote

1 answer

20

zeal test digital logic
i marked the option b) but i didn't understand the solution

asked Oct 6, 2018 in Digital Logic by Prince Sindhiya Loyal (5.7k points) | 70 views

+2 votes

0 answers

21

zeal test digital logic
what is difference between synchronous counter and ripple counter ?

asked Oct 6, 2018 in Digital Logic by Prince Sindhiya Loyal (5.7k points) | 31 views

+1 vote

0 answers

22

zeal test digital logic

asked Oct 6, 2018 in Digital Logic by Prince Sindhiya Loyal (5.7k points) | 62 views

0 votes

1 answer

23

zeal test digital logic
how to approach this question? i didn't understand the question

asked Oct 6, 2018 in Digital Logic by Prince Sindhiya Loyal (5.7k points) | 46 views

0 votes

1 answer

24

if H. M and G. M of two numbers are 147 and 21 respectively then find their arithmetic mean

asked Oct 5, 2018 in Numerical Ability by Palak jadav (5 points) | 44 views

+2 votes

1 answer

25

Virtual Gate Test Series: Numerical Ability - Series
Find the $100^{th}$ term of the series $ 2, 4, 8, 14, 22, 32, 44…….$

asked Jan 23, 2017 in Numerical Ability by bad_engineer Active (4.5k points) | 194 views

tags	tag:apple
author	user:martin
title	title:apple
content	content:apple
exclude	-tag:apple
force match	+apple
views	views:100
score	score:10
answers	answers:2
is accepted	isaccepted:true
is closed	isclosed:true

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