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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 2901. |
28x |
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Answer» X< (100/28)......... X< 3.5174 X<25/7 |
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| 2902. |
Find the domain of real function F given by : F(x)=1/ roots x square minus x minus x |
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| 2903. |
Find the value of k if 405 is an independent term in expansion |
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| 2904. |
Sir can you give me blue print of the annual exam syllabus which ch. held how much marks? |
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| 2905. |
Please give me full solution of find lim x tends to pie ( pie - x) tanx/2 |
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Answer» 2 Let x = y + π . Lim y tends to 0 . (π-y-π)tan(y+π)/2 = (-y)(-cot y/2) = y/tan y/2 = 2 × y/2 / tan y/2 = 2 |
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| 2906. |
U like sample paper class11 |
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| 2907. |
Lim ((x+1)(power 5) -1)÷xX->0 |
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| 2908. |
Find the number of solutions of equation x+y+z =6 where x,y,z belongs to W |
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| 2909. |
Find the number of subsets of a set A containing 10 elements. |
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Answer» Correct answer 1024 2^10 =1024 subsets |
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| 2910. |
A card is drawn fron a pack of cards . Find the probability that it is a king or a queen |
| Answer» 8 / 52 ..........i .e. 2/13....? | |
| 2911. |
What is the other method for the question of circle class 11 , 11th chapter question no. 11 |
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| 2912. |
If A has 4 elements.How many subsets does A has |
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Answer» No. Of subsets=2^n.2^4=16 Sorry it\'s a mistake answer is 16subsets 1616 subsets elements in set A are 4.total no. of subset = 2^4 =2*2*2*2 =4*4 =16 total number ob sub set in set A are 16 16 subsets |
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| 2913. |
What is dearrangement? |
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Answer» Ya thanks correct answer it\'s from p $c Dearrangement means ways in which things can be de arranged (assuming you asked from p&c ) means they can be put at wrong place |
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| 2914. |
Is ncert enough for 11th school level exams??? |
| Answer» But not for interence exam whivh is mostly conduct of 11th syllabus | |
| 2915. |
In how many ways 4 boys and 3 girl be seated in row of 7 chairs if boys and girls sit alternately |
| Answer» firstly sit girls in ways = 3! i.e.there is space between them and then put boys in = 4! Answer = 3!.4! | |
| 2916. |
Find the value of tan85/2 |
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| 2917. |
Evaluate the left hand and right hand limits of the function defined by |
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| 2918. |
8.2 ex questions no 6 |
| Answer» 2 | |
| 2919. |
Show that cos pi/2+x=-sinx |
| Answer» Cos( π/2 +x ) lie in second quadrant , sin is negative in second quadrant and cos (π/2 + x) changes to - sin x ( cos thita changes into sin thita ) | |
| 2920. |
7(46+57)/65 |
| Answer» 7(103)/65=92.09 | |
| 2921. |
Someone please tell me how do i do question number 24. of ex 3.3 NCERT CLASS 11th????? |
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Answer» cos 4x=1-8sin^2x cos^2x LHS=cos 4x=1-2sin^2 2x1-2(2sinx cosx)^21-2(4sin^2x cos^2x)1-8sin^2x cos^2x=RHS With the help of your brain.. |
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| 2922. |
Cos2x*cosx/2-cos3x*cos9x/2=sin5x*sin5x/2 prove |
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| 2923. |
Find the derivative of f from first principles,where f is given byf(x) = (x+1)/(x-1) |
| Answer» Use division rule It will be a lot easier? | |
| 2924. |
Class 7 ncert ques 4 of exercise 14.3 |
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| 2925. |
ABC is an isosceles triangle with AB=AC. AP is perpendicular to BC .Show that angle B angle A |
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| 2926. |
2x+2x = |
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Answer» 4x Ufff too difficult.. I think the right answer is?=4x??? 4x ????? ???4x 4x???? |
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| 2927. |
Tanx ki power tanx uski bhi power tanx infinity tak ha ka differentiation kaisa hoga |
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| 2928. |
4,7,8,9,10,12,13,17 mean deviation from mean |
| Answer» M.D=3 | |
| 2929. |
Lim cox 2x-1÷cos x-1X-0 |
| Answer» 4... | |
| 2930. |
dy/dx =x+ycosx/1+sinx ,find partcular solution of differential equation when y=1,x=0 |
| Answer» dy/dx=x+ycosx/1+sinx | |
| 2931. |
Diffrentiate for x :-√cot√x |
| Answer» 1/2cot^-1/2√x×(-sec^2√x)×1/2x^-1/2 | |
| 2932. |
y=√sinx by first principal |
| Answer» f(x)=f(x+h)-f(x)÷h =sin(x+h)-sinx÷h=Applied S-S=2CS=2cos(2x+h÷2).sin(h÷2)÷htake LCM with h÷2=cos(2x+h÷2).sin(h÷2)÷(Divide )h÷2=cos(2x+h÷2).sin(h÷2)÷h÷2[sin(h÷2)÷h÷2=1]=limh~0 cos(2x+h÷2) .1Ans:cosx | |
| 2933. |
y=e√tanx |
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| 2934. |
trignometry solutions of triangle exercise 5a question no 1,2,3,4 |
| Answer» Book Name | |
| 2935. |
Integrate sin^2x/1+cosx |
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| 2936. |
how i pass my 11 annual exam i didnt prepare a single chapter in math |
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Answer» Nice suggestions Priya ?????? Start preparing. Do only ncert. First do sets,straight lines,probability,statistics,mathematical induction,mathematical resonings,conic sections,limits and derivatives,then linear inequalities. These are easy and scoring. By completing these chapters of ncert at least u can score 50% marks to pass. Study sincerly it is the only thing u cando know Solve all questions of NCERT just start your prepration |
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| 2937. |
Sin2A |
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Answer» No can u tell me the second form 2 sinA cos A |
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| 2938. |
Prove that 4 tan x ( 1- tan2x)/1-6tan2x+tan4x |
| Answer» Bhai ye prove kiske equal karna h | |
| 2939. |
How many 4 digit number are there with no digit repeted? |
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Answer» If you have any confusion regarding my answer please tell me I\'ll try to clear it There are 10no. To be filled in four boxes to make 4digit no.i-e;0 to 9So 44 digit number with out repeating =9×9×8×7=81×56 =4536 7.8.9.10 144 4 digit number has give the no. Can not be repeted \u200c[4]*[3]*[2]*[1]= 24 4*3*2*1=24 |
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| 2940. |
P.T. sinA - sin3A + sin 5A - sin7A divided by cos A - cos3A - cos 5A + cos 7A will give cot 2A |
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| 2941. |
Solve trigonometric equation tan20=J3 |
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| 2942. |
Give an example of a function whose graph is symmetrical about origin and draw the graph |
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| 2943. |
Find the sum of first n terms of the series 1^2+2^2+3^2+4^2+........+n^2= |
| Answer» It may be equal to n(n+1)(2n+1)/6 | |
| 2944. |
Cos thita - sec thita equal to what |
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Answer» Bhai cos thita - sec thita = 90 hai [email\xa0protected]@. @=thita |
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| 2945. |
If p,q,r are in G.P and the equations px |
| Answer» Complete the question please | |
| 2946. |
What is the rank of word "SCHOOL " . A/q chapter permutations and combinations |
| Answer» CHLOO\'S SCHOOL Rank: 5×5! +0+0+1×2!/2! +1! +0+1= 600 +3=603 | |
| 2947. |
5383912 is divisibility by 7,11,13,17 |
| Answer» The given devident is divisible by none of the divisors given | |
| 2948. |
[√x/√3+√3/√2x]10 |
| Answer» Answer | |
| 2949. |
If α β are roots of the equation acosϴ+bsinϴ=c then prove that tanα/2+tanβ/2=2b/a+c |
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| 2950. |
tan4x tan2x tanx. = tan3x-tan2x-tanx |
| Answer» I think question is wrongRhs main tan4x ki jagah tan3x hoga | |