Recent questions and answers in Class11

Given the following statement: Statements: No shoe is a chappal. Some chappals are sandals. Now, consider the claims: C1: Some sandals are not chappals.. C2: Sandals which are not chappals are shoes. Now, mark according to the rules - \[\] i) Mark A if C1 is true, ii) Mark B if C2 is true,iii) Mark C if neither C1 nor C2 is true and iv) Mark D if both C1 and C2 are true.

answered Jun 28, 2021 by mohammadparvez616

1 answer

The sentence "____ if and only if $ x + x = 3x$" is TRUE. Which of the following could be used to fill in the blank?

answered Jun 16, 2021 by swatisss278

1 answer

Given the following statement: All doors are windows. Some windows are clips. Now, consider the claims: C1 :Some clips, if they are doors, they are also windows C2: All clips which are not widows are also not doors. Now, mark according to the rules - \[\] i) Mark A if C1 is true, ii) Mark B if C2 is true,iii) Mark C if neither C1 nor C2 is true and iv) Mark D if both C1 and C2 are true.

answered Jul 22, 2020 by praattiikk

1 answer

The no of triangle whose verticles on decagon but none of whose side came f

answered Dec 31, 2019 by kumaraditya95042

1 answer

Find the equation of the ellipse referred to its centre whose minor axis is equal to the distance between the foci and whose latus is 10?

answered Jul 18, 2019 by dattawakde7507

2 answers

Given the following statement: Some pins are clips. Some clips are pens. Now, consider the claims: C1 :Some pins are pens and C2: No pin is a pen. Now, mark according to the rules - \[\] i) Mark A if C1 is true, ii) Mark B if C2 is true,iii) Mark C if neither C1 nor C2 is true and iv) Mark D if both C1 and C2 are true.

answered Jul 3, 2019 by rana99ankitt

1 answer

Given the following statement: All seats are hot. All belts are hot. Now, consider the claims: C1: Some seats are belts. C2: All hot are either seats or belts . Now, mark according to the rules - \[\] i) Mark A if C1 is true, ii) Mark B if C2 is true,iii) Mark C if neither C1 nor C2 is true and iv) Mark D if both C1 and C2 are true.

answered May 15, 2019 by swamiaboli91

1 answer

The variance of the first 50 even natural numbers is:

answered May 3, 2019 by clairtom2001

1 answer

If the set $S={1,2,3...........12}$ is to be partitioned into 3 sets A,B,C of equal size so that $A\cup\:\:B\cup\:C=S\:and\:A\cap\:B=B\cap\:C=C\cap\: A=\phi$, then the number of ways the partition can be done is equal to: \[\] $(A)\:\:\:\large \frac{12!}{3!(3!)^4}\quad$ $(B)\:\:\:\large \frac{12!}{(4!)^3}\quad$ $(C)\:\:\:\ \large \frac{12!}{(3!)^3}\quad$ $(D)\:\:\: \large \frac{12!}{3!(4!)^3}\quad$

answered Dec 28, 2018 by ravindrayadav78795

1 answer

The statement $\sim(p \leftrightarrow \sim q)$ is

answered May 25, 2018 by saumyaa316

1 answer

The number of integral terms in the expansion of $(5^{\large\frac{1}{2}}$$+7^{\large\frac{1}{8}}$$)^{1024}$ is ?

answered Apr 11, 2018 by vijayalakshmi.r

1 answer

If $O$ is origin, $|\overrightarrow{OP}|=3$ with $d.r.=(-1,2,-2)$ then the coordinate of $P$ is ?

answered Nov 7, 2017 by priyanka.c

2 answers

Find the area of rhombus formed by the lines $x\pm y\pm 1=0$?

answered Jul 28, 2017 by mandarkulkarni11

2 answers

In a GP, given that the first term is $ 312 ½ $ and the common ratio is $ 1/2 $ find the sum of the terms of the series to infinity.

answered May 14, 2017 by nikunjjain285

1 answer

The total no. of terms in the expansion $(x+y)^{100}+(x-y)^{100} $ is ?

answered Nov 19, 2016 by devanshugarg200ce

2 answers

The sum of 0.2, 0.22, 0.222, 0.2222.....till n terms is given by

answered Sep 16, 2015 by illusionist.nectar

2 answers

if one root of the equation 5x^2+13x+k=0 is the reciprocal of the other then k=?

answered Jun 21, 2015 by pady_1

1 answer

find all possible values of a for which the expression (ax^2-7x+5) /(5x^2-7x+a) may be capable of all values, x being any real quantity of

answered Apr 16, 2015 by sharmaaparna1

1 answer

if p>2 and p belongs to N, then the equation x cube -px+1=0 cannot have

answered Apr 16, 2015 by sharmaaparna1

1 answer

let a,b,c be non-zero real no such that integral (1+(cosx)^8)(ax^2+bx+c)dx when limits applied from 0-1=integral(1+(cosx)^8)(ax^2+bx+c)dx when limits applied from 0-2 . Then the equation ax^2+bx+c=0 has

asked Apr 13, 2015 by nimmy1357

0 answers