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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.
| 4751. |
Prove that cot2A+1=cosec2A |
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Answer» Ohh damn.that was cot square A..i though of cot 2A. By LHSCot2A + 1Cos2A/Sin2A+1(Cos2A+Sin2A)/Sin2A1/Sin2A=Cosec2A Wait |
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| 4752. |
What is finally in statistics |
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Answer» less than type..more than type And ogives Mean median mode |
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| 4753. |
What is real nubers |
| Answer» In mathematics, a real number is a value that represents a quantity along a line. ... The real numbers include all the rational numbers, such as the integer −5 and the fraction 4/3, and all the irrational numbers, such as √2 (1.41421356..., the square root of 2, an irrational algebraic number). | |
| 4754. |
How many cubes of side 2cm can be cut from a cuboid measuring (16cm×12cm×10cm) . |
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Answer» 240 80 cubes 240 240 cubes I think.. answer is - 240 cubes |
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| 4755. |
A contI |
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| 4756. |
If P and Q are the zeros of polynomial 2X^2+3X+5,then find 1/P+1/Q. |
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| 4757. |
What is (a+b)(a+b) |
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Answer» (a+b)whole square a2 + ab +b2 +ba =a2 + b2 +2ab |
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| 4758. |
How to find factor of any no. |
| Answer» By prime factorisation, euclid\'s lemma | |
| 4759. |
If x and y are |
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| 4760. |
How we can understand construction |
| Answer» Just learn the basic steps of construction there only three to four steps | |
| 4761. |
Show that the points A(a,a),B(-a,-a)and C(-a√3,a√3) are the vertices of an equilateral triangle. |
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Answer» By distance formula show that the distance between all these points are equal When you will calculate the distance between a b and BC and CA the all the distance between same and we can say that the Triangle formed by the given vertices will be an equilateral triangle Length* Find the distance of sides...... If they are equal then the triangle is equilateral |
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| 4762. |
What is shreedharachayra formula |
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Answer» Thnku so much [-b+-√(b^2-4ac)]/2a Quadratic formula is Sridhar Acharya formula |
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| 4763. |
Sec+tan=x |
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| 4764. |
Evaluate 1) cos theta × cosec (90-theta) |
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Answer» Thinks Dear Kevin The answer will be 1 |
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| 4765. |
Find the LCM of the following: 12x×x -26 |
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| 4766. |
If x=-1/2,is a solution of the quadratic equation 3x^2 +2kx-3=0,find value of k. |
| Answer» So easy put the value of x in given eqn | |
| 4767. |
Formula of rectangle in area |
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Answer» Length × breadth L*B |
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| 4768. |
Find the type of triangle formed by points A(-5,6), B(-4,-2) ,c(7,5). |
| Answer» By distance formula calculate all the sides....if all sides are different then it is scalene triangle....if two sides are equal then it is isosceles ....and if all sides are equal then it is equilateral....hope u get the answer.... | |
| 4769. |
Proove ,p is irrational |
| Answer» Plz check Rd sharma for ur answer as it can\'t be proved here | |
| 4770. |
How to multiply 36x√3 pls show me the multiplication?????? |
| Answer» Root 3 can\'t be multiplied by 36 so the answer will be 36 Root 3 | |
| 4771. |
prove that n3-n is divisible by 6 |
| Answer» Not possible hereSee in rd sharma | |
| 4772. |
Find the sum of first 10 term of the AP 10,6,2,...... |
| Answer» -80 | |
| 4773. |
Is "Introduction to trignometry" chapter easy ?? |
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Answer» Yes Yes |
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| 4774. |
Prove that 3+root 7 is an irrational number |
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Answer» Let us assume to the contrary that root 3 + root 7 is rational Now 3+ root 7 =p/QRoot 7 = p/Q -3Root 7 is p-3q/Q Now p= integer and q= integer so Integer-3integer /integer is rational no.So 3+ root7is rationalBut this contradicts that fact that 3+root 7 is irrational Our assumption is wrong So 3+root 7 is irrational Hmm Correct Rs agrwall kaa first chapter dekh k sikhle bhai |
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| 4775. |
The larger of two supplementary angles exceeds the smaller by 18 degrees find them? |
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| 4776. |
SecA + tan A -1/ tan A- sec A+1=cos A / 1 - sin A |
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| 4777. |
trigonometry chapter example 15 of NCERT |
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| 4778. |
PQ is a tangent at a point C to a circle with centre O. If ABis a diameter and CAB=308°.findPCA=? |
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| 4779. |
The sum of nth term of two APS are in the ratio (5n+4):(9n+6). Find the ratio of their 18th term? |
| Answer» Same as 5n+4:9n+6 check by putting n=18 | |
| 4780. |
What is thales thereom |
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Answer» Yahh BPT theorem is also known as thales theorem....now don\'t ask the bpt theorem Yaa she is right Open ur book dear.. |
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| 4781. |
AB is a line segment of 8cm locate a point c on AB such that ac =1\\3CB |
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| 4782. |
X=a tana lpha find the value of cos alpha |
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| 4783. |
1/sin theta equal to cos theta /cot theta |
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| 4784. |
a ship covered a certain distance at a uniform speed |
| Answer» So what you want to speak or ask | |
| 4785. |
Derivation of surface area of frustum |
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| 4786. |
To draw a cumulative frequency ovives of less than tpye |
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| 4787. |
Prove converse of bpt |
| Answer» Yha prove kre??....... See in ncert | |
| 4788. |
Find the number to be added to the polynomials x2-5x+4 so that 3is the zero of polynomials |
| Answer» +2 | |
| 4789. |
Is there any chance of coming question from optional part of ncert maths book |
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Answer» Ncert is of 35marks Yes |
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| 4790. |
in cylinder TSA=462 CSA is one-third of it. Find volume |
| Answer» Let r cm be the radius of the base and h cm be the height of the cylinder. Then, total surface area of cylinder {tex}= 2\\pi r(r + h){/tex}Curved surface area of cylinder {tex}= 2\\pi rh{/tex}We have,Curved surface area = {tex}\\frac{1}{3}{/tex}(Total surface area) = {tex}\\frac{1}{3}{/tex}{tex}\\times{/tex}\xa0{tex}462 cm^2 = 154 cm^2\xa0{/tex}{tex}\\Rightarrow{/tex}{tex}2\\pi rh = 154{/tex}Also, {tex}2\\pi rh + 2\\pi r^2 = 462 {/tex}{tex}\\Rightarrow{/tex}154 + 2{tex}\\pi{/tex}{tex}r^2 = 462{/tex}{tex}\\Rightarrow{/tex}2{tex}\\pi{/tex}{tex}r^2 = 462 - 154 = 308 cm^2{/tex}2 {tex}\\times{/tex}{tex}\\frac{22}{7}{/tex}{tex}\\times{/tex}{tex}r^2 = 308\xa0{/tex}{tex}\\Rightarrow{/tex}r2 ={tex}\\frac{308 \\times 7}{2 \\times22}{/tex} = 72{tex}\\Rightarrow{/tex}\xa0{tex}r = 7 cm{/tex}Again 2{tex}\\pi{/tex}rh = 154 {tex}\\Rightarrow{/tex}\xa02{tex}\\times{/tex}{tex}\\frac{22}{7}{/tex}{tex}\\times{/tex}7{tex}\\times{/tex}{tex}h = 154{/tex}{tex}\\Rightarrow{/tex}\xa0h = {tex}\\frac{154}{2 \\times22}{/tex}={tex}\\frac{7}{2}{/tex}cmVolume of the cylinder = {tex}\\pi{/tex}r2h = {tex}\\frac{22}{7}{/tex}{tex}\\times{/tex}\xa07 {tex}\\times{/tex}\xa07 {tex}\\times{/tex}\xa0{tex}\\frac{7}{2}{/tex}\xa0{tex}= 539 cm^3{/tex} | |
| 4791. |
In digit 27 what is tenth place digit |
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Answer» No tenth place is 20 ok. 2 Tenth place is 2 |
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| 4792. |
Write a letter to editor about the problems faced by you as a student |
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| 4793. |
Maths samaj nahi ati |
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Answer» Solve variety of questions MATHS samaj nhi ATI toh practice kero. Kitab me Lagi dhuul mitti sad karna Pen authake padna Samajh me aa jaati h par solve nahi hoti Why? |
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| 4794. |
I go to 7km running? at 4 A:M. Who come with me? |
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Answer» Hy Alia To jaldi so jao It is the time for study Bhaga k mat le jana Me Noone |
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| 4795. |
If n=2³×3⁴×5⁴×7, then find the number of consecutive zeroes in n , where n is a natural number |
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| 4796. |
Theorem of triangle |
| Answer» Bpt, pythogorus,ratio,converse of bpt,pythogorus | |
| 4797. |
Find the 31st term of an AP whose 11th term is 38 and the 16th term is 73. |
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Answer» 138 a+15d=73 a+10d=38 178.... |
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| 4798. |
The zero of cubic polynomial =m^3_6m^2_25m+75 are in AP . Find its zero |
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| 4799. |
In 277 what is hundredth place digit |
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Answer» 200hi h Lol It asked digit at hundredth place do how it can be 200 answer 200 h But and. Is 200 2 |
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| 4800. |
If x=-1/2,is a solution of quadratic equation 3x2 +2kx_3 =0 find the value of k |
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Answer» Thx Put 2 X values in this eq. |
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