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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.
| 7801. |
2x²+ax-a²=0 |
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| 7802. |
1+2+3+4+5×2 |
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Answer» 20 The correct answer is 20. 20 |
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| 7803. |
C.S.A of cone2 |
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| 7804. |
Prove that tanA |
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| 7805. |
What is the volume of hemisphere |
| Answer» 2pie r^3 upon 3 | |
| 7806. |
C. Cos45. /Sec30+cosec30 |
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| 7807. |
The circumference of a circle exceeds ita diameter by 180 cm,then its radius is? |
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| 7808. |
Find the sum of first 24 terms of the list of numbers whose nth term is given by An=3+2n |
| Answer» First calculate the first term of the A.P by putting n=1 and then the last term by putting n=24 and then by applying the sum formula i.e.Sn=n/2(a+l)here n=24 a first term and l last term.I hope it will help u.☺ | |
| 7809. |
I want sample paper of maths how can I find it can u help me |
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| 7810. |
Find the area of the circle which is inscribed in a square of side 6cm |
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Answer» 28.28 cm2 The diamete of circle will be 6cm as the circle fits in a square of side 6cm and its radius therefore will be 3 cm. As area of circle is pie r² therefore area of circle =22/7*3*3=198/7cm sq. |
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| 7811. |
Factorise( 6x)x+28x-5 |
| Answer» 6x²+28x-5 | |
| 7812. |
If alpha and beta are zeroes of polynomial x2-2x+3, then value of 1÷alpha+1÷beta is |
| Answer» Sumof zeroes=-b/a=2Product of zeros=c/a=31÷alpha+1÷betaBeta + alpha÷alpha beta2+3÷3*25÷6 | |
| 7813. |
How to the fraction |
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| 7814. |
SinA/cotA+cosecA=2+sins/cosA-cosecA |
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| 7815. |
If cos thita +sin thita=2 cos thita then prove that cos thita-sin thita =2sin thita |
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| 7816. |
Thale\'s thorem |
| Answer» Proportionality Theorem (Thales theorem):\xa0If a line is drawn parallel to one side of a triangle intersecting other two sides, then it divides the two sides in the same ratio.\xa0\xa0\tIn ∆ABC , if DE || BC and intersects AB in D and AC in E then\xa0 AD AE ---- = ------ DB EC\t | |
| 7817. |
What is face |
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| 7818. |
Find the point on the x axis which is equidistant from the point (2,-5)and(-2,9) |
| Answer» Let the point of x-axis be P(x, 0)Given A(2, -5) and B(-2, 9) are equidistant from PThat is PA = PBHence PA2\xa0= PB2 → (1)Distance between two points is\xa0{tex}\\sqrt{[(x_2\xa0- x_1)^2\xa0+\xa0(y_2\xa0- y_1)^2]}{/tex}PA =\xa0{tex}\\sqrt{[(2\xa0- x)^2\xa0+\xa0(-5\xa0- 0)^2]}{/tex}PA2\xa0= 4 - 4x +x2\xa0+ 25=\xa0x2\xa0- 4x + 29Similarly,\xa0PB2\xa0=\xa0x2\xa0+ 4x + 85Equation (1) becomesx2\xa0- 4x + 29 =\xa0x2\xa0+ 4x + 85- 8x = 56x = -7Hence the point on x-axis is (-7, 0) | |
| 7819. |
2x2+ax-a2=0 for X find |
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| 7820. |
X2+4x+5=0 find root |
| Answer» Roots are -2+i.,-2-i | |
| 7821. |
What is the meaning of dormancy |
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| 7822. |
Circles |
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| 7823. |
Caicle |
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| 7824. |
Frustom example 12 |
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| 7825. |
Two two coins are tossed simultaneously find the probability getting exactly 1 heads |
| Answer» When two coins are tossed simultaneouslyTotal number of outcomes = {HH, HT, TH, TT}Total number of outcomes = 4Favourable outcomes = {HT, TH} = 2Probability of getting exactly one head ={tex}\\frac { 2 } { 4 } = \\frac { 1 } { 2 }{/tex} | |
| 7826. |
4(sec²69*-cot²21*)=2/3,find tan90*+3tan²64*/cot²26*=x/3 |
| Answer» {tex}4\\left(\\frac{\\sec ^{2} 59^{\\circ}-\\cot ^{2} 31^{\\circ}}{3}\\right)-\\frac{2}{3} {/tex}{tex}sin 90° + 3 tan^2\xa056° tan^2\xa034°\xa0{/tex}{tex}=\\frac{x}{3}{/tex}{tex}\\Rightarrow 4\\left(\\frac{\\sec ^{2} 59^{\\circ}-\\tan ^{2} 59^{\\circ}}{3}\\right)-\\frac{2}{3}{/tex}{tex}\\times{/tex}\xa0{tex}1 + 3 tan^2\xa056° cot^2\xa0(90° - 34°){/tex}\xa0{tex}=\\frac{x}{3}{/tex}{tex}\\Rightarrow 4\\left(\\frac{\\sec ^{2} 59^{\\circ}-\\tan ^{2} 59^{\\circ}}{3}\\right)-\\frac{2}{3}{/tex}\xa0+ 3 tan2\xa056° cot2\xa056°{tex}=\\frac{x}{3}{/tex}{tex}\\Rightarrow 4 \\times \\frac{1}{3}-\\frac{2}{3}+3 \\times 1=\\frac{x}{3}{/tex}{tex}\\Rightarrow \\frac{4}{3}-\\frac{2}{3}+3=\\frac{x}{3}{/tex}{tex}\\Rightarrow{/tex}\xa0x = 11 | |
| 7827. |
Easy question |
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| 7828. |
7.1 7th sum I want |
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| 7829. |
Can anyone tell me when board exam is going to held |
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Answer» No they r in feb Probably in March |
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| 7830. |
Graph of 3x+y+1 |
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| 7831. |
In fig abc is a tiranga and GHED is a rectangal |
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| 7832. |
What is the probablity of having 53 Mondays in a leap year ?? |
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| 7833. |
Area of major segment= |
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| 7834. |
What is the frustam of cone? |
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| 7835. |
Friends aap sab ka ntse ka exam kaisa gaya hai......And answer sheet bhi aa gayi hai aap check kr lo |
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| 7836. |
3x +2=0 is rational number |
| Answer» X here is rational | |
| 7837. |
Shsjsjs |
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| 7838. |
Define coordinate geometry |
| Answer» The\xa0definition\xa0of\xa0coordinate geometry\xa0is the study of algebraic equations on graphs. An example ofcoordinate geometry\xa0is plotting points, lines and curves on an x and y axis. | |
| 7839. |
(Ab)2 |
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| 7840. |
How many chapters will come in finalexam? |
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Answer» Oh yes except SST sorry Bhai sa vishay to batao kyuki sst me chapter cut h What a silly question? In boards full syllabus will come "full syllabus" means everything that is there in book? |
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| 7841. |
Is 3+2√2 is irrational number? |
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Answer» Y Yes |
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| 7842. |
Why sin2+cos2=1 |
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| 7843. |
Formula of area of circle |
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Answer» Pie r http://abpnews.abplive.in/photo-gallery/see-the-latest-pictures-of-esha-gupta-13-716756?rs_type=internal&rs_origin=home&rs_medium=photoGallery&rs_index=1 πr² Πr2 |
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| 7844. |
Circle formulas |
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| 7845. |
From where do we get sol of latest sample papers by cbse |
| Answer» www.mycbseguide.com | |
| 7846. |
Kun kun big boss 11 dekhta hai |
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| 7847. |
prove that n cube - n is divisible by 6 for any positive integer |
| Answer» See rd sharma | |
| 7848. |
Who will score MERIT send answer |
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| 7849. |
When is class 10 exam will be starting ? |
| Answer» May be in Feb or in first week of march | |
| 7850. |
0.6 par bar is equal to P upon q where p and q are integers then the value of Q is |
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