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अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this:
Question No. 10
If four sets, A, B, C, and D, are such that A
$\subset $
B, B
$\subset $
C, and C
$\subset $
D, then which set is equal to the sets (A
$\cup $
C)
$\cup $
(B - D)?
A. A
B. B
C. C
D. D
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this :
$\mathit{Q}\mathit{u}\mathit{e}\mathit{s}\mathit{t}\mathit{i}\mathit{o}\mathit{n}\mathbf{}\mathit{N}\mathit{o}\mathbf{.}\mathbf{}\mathbf{3}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}IfA=\left\{x:x\in \left[p,q\right]wherep,qandx\in \mathit{N}\right\},thenwhatisthevalueofn\left[P\left(A\right)\right]?\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}A.{2}^{pq-1}\phantom{\rule{0ex}{0ex}}B.{2}^{q-p}\phantom{\rule{0ex}{0ex}}C.{2}^{q-p+1}\phantom{\rule{0ex}{0ex}}D.{2}^{\frac{\left(p+q\right)}{2}}$
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this :
$\mathrm{Q}.\mathrm{If}\mathrm{N},\mathrm{the}\mathrm{set}\mathrm{of}\mathrm{all}\mathrm{natural}\mathrm{numbers},\mathrm{is}\mathrm{considered}\mathrm{as}\mathrm{the}\mathrm{universal}\mathrm{set},\mathrm{then}\mathrm{what}\mathrm{is}\mathrm{the}\mathrm{complement}\mathrm{of}\mathrm{the}\mathrm{set}\{\mathrm{x}:\mathrm{x}\in (\mathrm{a},\mathrm{b}]\mathrm{where}\mathrm{x},\mathrm{a},\mathrm{and}\mathrm{b}\in \mathrm{N}\}?\phantom{\rule{0ex}{0ex}}\mathrm{A}.\left\{1,2,3,......,\mathrm{a}\right\}\cup \left\{\mathrm{b},\mathrm{b}+1,......\right\}\phantom{\rule{0ex}{0ex}}\mathrm{B}.\left\{1,2,3,.......,\mathrm{a}-1\right\}\cup \left\{\mathrm{b},\mathrm{b}+1,......\right\}\phantom{\rule{0ex}{0ex}}\mathrm{C}.\left\{1,2,3,.......,\mathrm{a}\right\}\cup \left\{\mathrm{b}+1,\mathrm{b}+2,......\right\}\phantom{\rule{0ex}{0ex}}\mathrm{D}.\left\{1,2,3,.....,\mathrm{a}-1\right\}\cup \left\{\mathrm{b}+1,\mathrm{b}+2,.......\right\}$
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this:
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
No links
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
No links
$\mathit{Q}\mathbf{.}Ifn\left(A\right)+n\left(B\right)=(a+b{)}^{2}andn(A-B)+n(B-A)=(a-b{)}^{2},thenwhatisthevalueofn(A\cup B)?\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}A.2ab\phantom{\rule{0ex}{0ex}}B.{a}^{2}+{b}^{2}\phantom{\rule{0ex}{0ex}}C.2\left({a}^{2}{b}^{2}\right)\phantom{\rule{0ex}{0ex}}D.{a}^{2}-{b}^{2}$
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
No links
Question No. 19
Use the following information to answer the next question. In a survey of 45 people, it was found that 22 people like to watch sports channel, 27 people like to watch entertainment channel, 13 people like to watch sports and entertainment channel, 15 people like to watch entertainment and news channel, 12 people like to watch both the news and sports channel, and 6 people like to watch all the three channels. Each of the surveyed people likes to watch at least one of the three channels.
What is the sum of the number of people who like to watch sports channel only and the number of people who like to watch news channel only?
A. 7
B. 9
C. 12
D. 16
Answer
1
Vidya Sai
Subject: Maths
, asked on 28/4/18
Can anyone suggest me the name of the book (including authors name) to crack IIT JEE and IIT ADVANCED?
Answer
1
Ms Eccentric
Subject: Maths
, asked on 28/4/18
How log
_{xyz}
( xyz )^2 = 2?
Answer
2
Aarohi
Subject: Maths
, asked on 28/4/18
Solve this:
Q. (v)
$\left\{x\in R:xx\right\}$
.
Answer
2
Nihar Barbhaya
Subject: Maths
, asked on 28/4/18
Amit deposits ` 1600 per month in a bank for 18 months in a recurring deposit
account. If he gets ` 31,080 at the time of maturity, what is the rate of interest per
annum?
Answer
1
Hari
Subject: Maths
, asked on 26/4/18
A'intersectionB' venn diagram
Answer
1
Aryan Dogra
Subject: Maths
, asked on 25/4/18
what are the value sets of x in the following inequality:
|x²+6÷5x|≤1
Answer
3
अर्कज
Subject: Maths
, asked on 25/4/18
Some important results on number of elements in sets.
Answer
1
अर्कज
Subject: Maths
, asked on 25/4/18
Solve this:
Question No. 8
Which of the following sets is an example of infinite set?
A. {x : x is a factor of 23867}
B. {x : x is the slope of line, which passes through (4, 5) and (1, 4)}
C. {x : x is spatial coordinate of galaxies in the universe with respect to earth}
D. {x : x is the slope of the line, which passes through the intersection of two planes}
Answer
2
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Question No. 10

If four sets, A, B, C, and D, are such that A $\subset $ B, B $\subset $ C, and C $\subset $ D, then which set is equal to the sets (A $\cup $ C) $\cup $ (B - D)?

A. A

B. B

C. C

D. D

$\mathit{Q}\mathit{u}\mathit{e}\mathit{s}\mathit{t}\mathit{i}\mathit{o}\mathit{n}\mathbf{}\mathit{N}\mathit{o}\mathbf{.}\mathbf{}\mathbf{3}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}IfA=\left\{x:x\in \left[p,q\right]wherep,qandx\in \mathit{N}\right\},thenwhatisthevalueofn\left[P\left(A\right)\right]?\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}A.{2}^{pq-1}\phantom{\rule{0ex}{0ex}}B.{2}^{q-p}\phantom{\rule{0ex}{0ex}}C.{2}^{q-p+1}\phantom{\rule{0ex}{0ex}}D.{2}^{\frac{\left(p+q\right)}{2}}$

Solve this :$\mathrm{Q}.\mathrm{If}\mathrm{N},\mathrm{the}\mathrm{set}\mathrm{of}\mathrm{all}\mathrm{natural}\mathrm{numbers},\mathrm{is}\mathrm{considered}\mathrm{as}\mathrm{the}\mathrm{universal}\mathrm{set},\mathrm{then}\mathrm{what}\mathrm{is}\mathrm{the}\mathrm{complement}\mathrm{of}\mathrm{the}\mathrm{set}\{\mathrm{x}:\mathrm{x}\in (\mathrm{a},\mathrm{b}]\mathrm{where}\mathrm{x},\mathrm{a},\mathrm{and}\mathrm{b}\in \mathrm{N}\}?\phantom{\rule{0ex}{0ex}}\mathrm{A}.\left\{1,2,3,......,\mathrm{a}\right\}\cup \left\{\mathrm{b},\mathrm{b}+1,......\right\}\phantom{\rule{0ex}{0ex}}\mathrm{B}.\left\{1,2,3,.......,\mathrm{a}-1\right\}\cup \left\{\mathrm{b},\mathrm{b}+1,......\right\}\phantom{\rule{0ex}{0ex}}\mathrm{C}.\left\{1,2,3,.......,\mathrm{a}\right\}\cup \left\{\mathrm{b}+1,\mathrm{b}+2,......\right\}\phantom{\rule{0ex}{0ex}}\mathrm{D}.\left\{1,2,3,.....,\mathrm{a}-1\right\}\cup \left\{\mathrm{b}+1,\mathrm{b}+2,.......\right\}$

$\mathit{Q}\mathbf{.}Ifn\left(A\right)+n\left(B\right)=(a+b{)}^{2}andn(A-B)+n(B-A)=(a-b{)}^{2},thenwhatisthevalueofn(A\cup B)?\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}A.2ab\phantom{\rule{0ex}{0ex}}B.{a}^{2}+{b}^{2}\phantom{\rule{0ex}{0ex}}C.2\left({a}^{2}{b}^{2}\right)\phantom{\rule{0ex}{0ex}}D.{a}^{2}-{b}^{2}$

Question No. 19

Use the following information to answer the next question. In a survey of 45 people, it was found that 22 people like to watch sports channel, 27 people like to watch entertainment channel, 13 people like to watch sports and entertainment channel, 15 people like to watch entertainment and news channel, 12 people like to watch both the news and sports channel, and 6 people like to watch all the three channels. Each of the surveyed people likes to watch at least one of the three channels.

What is the sum of the number of people who like to watch sports channel only and the number of people who like to watch news channel only?

A. 7

B. 9

C. 12

D. 16

_{xyz}( xyz )^2 = 2?Q. (v) $\left\{x\in R:xx\right\}$.

account. If he gets ` 31,080 at the time of maturity, what is the rate of interest per

annum?

|x²+6÷5x|≤1

Question No. 8

Which of the following sets is an example of infinite set?

A. {x : x is a factor of 23867}

B. {x : x is the slope of line, which passes through (4, 5) and (1, 4)}

C. {x : x is spatial coordinate of galaxies in the universe with respect to earth}

D. {x : x is the slope of the line, which passes through the intersection of two planes}