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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.
| 20651. |
Is in class 10 what schedule is take over percentage or cgpa system? |
| Answer» Percentage% | |
| 20652. |
If a and b are zeroes of polynomial f (x)=x^2+x-2 find the value of 1/a-1/b |
| Answer» 3/2 | |
| 20653. |
Angle B=90°, AB+AC=24cm , BC=12cm, find secA and tanC |
| Answer» Tan c=9÷12SecA=15÷9 | |
| 20654. |
Write the locus of the points equidistace from the two given points |
| Answer» {tex}\\style{font-family:Tahoma}{\\style{font-size:8px}{\\begin{array}{l}Let\\;P(x,y,z)\\;be\\;any\\;point\\;which\\;is\\;equidis\\tan t\\;from\\;A(0,2,3)\\;and\\;B\\;(2,\\;-2,1),\\\\PA\\;=\\;PB\\\\\\Rightarrow PA^2\\;=\\;PB^2\\\\\\Rightarrow\\sqrt{\\left(x-0\\right)^2\\;+\\left(y-2\\right)^2+\\left(z-3\\right)^2}\\;=\\sqrt{\\left(x-2\\right)^2\\;+\\left(y+2\\right)^2+\\left(z-1\\right)^2}\\\\\\Rightarrow\\;4x\\;-\\;8y\\;-\\;4z\\;+4\\;=\\;0\\;or\\;x\\;-\\;2y\\;-\\;z\\;+1\\;=\\;0\\\\Hence\\;the\\;required\\;locus\\;is\\;x\\;-\\;2y\\;-\\;z+1\\;=\\;0\\end{array}}}{/tex} | |
| 20655. |
Example of substitution method in equations |
| Answer» | |
| 20656. |
Example of substitution method |
| Answer» | |
| 20657. |
√ax-√by = b-a and √bx -√ay=0 . Find x+y |
| Answer» √a×√b | |
| 20658. |
How to solve 16-2×22\\7 to get 68/7 |
| Answer» | |
| 20659. |
Area of the largest triangle incribed in a semicircle of radius \'r\' |
| Answer» r square | |
| 20660. |
Three consecutive positive integer divisible by 6 full proved |
| Answer» Let three consecutive numbers be x, (x + 1) and (x + 2)Let x = 6q + r 0 {tex}\\leq r < 6{/tex}{tex}\\therefore x = 6 q , 6 q + 1,6 q + 2,6 q + 3,6 q + 4,6 q + 5{/tex}{tex}\\text { product of } x ( x + 1 ) ( x + 2 ) = 6 q ( 6 q + 1 ) ( 6 q + 2 ){/tex}if x = 6q then which is divisible by 6{tex}\\text { if } x = 6 q + 1{/tex}{tex}= ( 6 q + 1 ) ( 6 q + 2 ) ( 6 q + 3 ){/tex}{tex}= 2 ( 3 q + 1 ) .3 ( 2 q + 1 ) ( 6 q + 1 ){/tex}{tex}= 6 ( 3 q + 1 ) \\cdot ( 2 q + 1 ) ( 6 q + 1 ){/tex}which is divisible by 6if x = 6q + 2{tex}= ( 6 q + 2 ) ( 6 q + 3 ) ( 6 q + 4 ){/tex}{tex}= 3 ( 2 q + 1 ) .2 ( 3 q + 1 ) ( 6 q + 4 ){/tex}{tex}= 6 ( 2 q + 1 ) \\cdot ( 3 q + 1 ) ( 6 q + 1 ){/tex}Which is divisible by 6{tex}\\text { if } x = 6 q + 3{/tex}{tex}= ( 6 q + 3 ) ( 6 q + 4 ) ( 6 q + 5 ){/tex}{tex}= 6 ( 2 q + 1 ) ( 3 q + 2 ) ( 6 q + 5 ){/tex}which is divisible by 6{tex}\\text { if } x = 6 q + 4{/tex}{tex}= ( 6 q + 4 ) ( 6 q + 5 ) ( 6 q + 6 ){/tex}{tex}= 6 ( 6 q + 4 ) ( 6 q + 5 ) ( q + 1 ){/tex}which is divisible by 6if x = 6q + 5{tex}= ( 6 q + 5 ) ( 6 q + 6 ) ( 6 q + 7 ){/tex}{tex}= 6 ( 6 q + 5 ) ( q + 1 ) ( 6 q + 7 ){/tex}which is divisible by 6{tex}\\therefore {/tex}\xa0the product of any three natural numbers is divisible by 6. | |
| 20661. |
Can you please explain me the completing the square method |
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| 20662. |
If cos a |
| Answer» | |
| 20663. |
If the sum of 9th term of an ap is equal to the sum of the 11th term find 20th term |
| Answer» Please make the question clear | |
| 20664. |
What is the perimete8 |
| Answer» | |
| 20665. |
NCERT me exercise 2.3 Q no. 5 |
| Answer» I think this question is not from the examination point of view | |
| 20666. |
Did everyone prepare fo ur maths EXAMZZZ!! |
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Answer» Yes!!!!! Please follow my tips : Learn all the theorems of triangle and circle chapter it will come 100% . Most important theorem is areas of similar triangle. If any question come from any chapter please write given proof in all the questions No |
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| 20667. |
If the radius of the circle is 6 cm and the length of an Arc is 12 cm. find the area of sector |
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Answer» Formula for doing this is = lenght of arc × radius/2 12×6÷2 =36 cm 36 cm sq yar ap maths la lo |
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| 20668. |
NCERT maths book me page no. 313 se 344 tak se questions aayenge ya nahi |
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Answer» Is baar tension mat lo hmko pta hai board ka pressure hai pr questions ncert se aayega Abe nahi ayega Nhi aayega tension mat lo Pls answer |
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| 20669. |
What is the vale of tan 30 |
| Answer» 1/√3 | |
| 20670. |
Hey plz tell me If I got 55 55 60 60 55 so what percentage will I get out of 80 |
| Answer» 72 | |
| 20671. |
Do we need to study maths ncert exemplar problems ?? |
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Answer» No dude.....God bless....only 1 or 2 questions might come Ofcourse u have to Yes of course |
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| 20672. |
How to make project |
| Answer» | |
| 20673. |
Prove 1/√2 irrational |
| Answer» | |
| 20674. |
X+y=5 |
| Answer» | |
| 20675. |
I want 2017 cbsc class 10 question paper |
| Answer» Google for question paper | |
| 20676. |
What is the value of sin 45 degree |
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Answer» 1/root 2 Root3/2 |
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| 20677. |
Best of luck for last exam. How are your studies going on? |
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Answer» Who are u to tell us tips Like it Plz comment on my tips Please follow my tips : Learn all the theorems of triangle and circle chapter it will come 100% . Most important theorem is areas of similar triangle. If any question come from any chapter please write given proof in all the questions |
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| 20678. |
Why alpha + bita = (alpha +bita)2 -2 alpha * bita |
| Answer» | |
| 20679. |
Where are answers to ncert |
| Answer» in this app | |
| 20680. |
Kis ki preparation ho chuki hai puri ??? |
| Answer» Kisi ki bhi nhi bhai. Pdhne ka man hi nhi kar rha. | |
| 20681. |
How could I score good marks????? |
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Answer» Study Keep practising Don\'t take tension.. . Do your best.. . Maintain presentation in exam. And solve all the que. That is attempt all the que.. . Hardwork In math....do practice and practice |
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| 20682. |
16x |
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| 20683. |
How to prove a irrational number? |
| Answer» | |
| 20684. |
Who is preparing from ncert and previous year sample paper |
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Answer» R.D Sharma and P.K. Garg Ncert is must First RS AGARWAL then NCERT Using any other reference book ??? NCERT as well as sample papers Only ncert NCERT but not sample papers |
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| 20685. |
How to find Sum in AP series |
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Answer» Sn =n/2 (2a+(n-1)d) Sn =n/2 ( a + an) |
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| 20686. |
Write a rational number √2 and √3? |
| Answer» | |
| 20687. |
In a triangle PQR ,right angled at Q,PQ=3cm and PR=6cm.determine |
| Answer» | |
| 20688. |
If sin 3A = cos( A-26), where 3A is an acute angle, find the value of A |
| Answer» Sin 3A=cos (A-26)Cos(90-3A)=Cos (A-26)(90-3A)=(A-26)(90+26)=(3A+A)116=4AA=29 | |
| 20689. |
Using prime factorisation method of HCF of 8624 and 21658 and also find the LCM |
| Answer» HCF=2.7.7 and LCM=2.2.2.2.7.7.11.13.17 | |
| 20690. |
The sum of two number is 35 and their difference is 9 find the number? |
| Answer» Numbers are: 22,13....... | |
| 20691. |
The sum of two number is 35 and their difference is 9 find the numbers? |
| Answer» 13 and 22 | |
| 20692. |
derive the formula for the volume of a frustumof a cone, |
| Answer» No derivation will come in exam for sure | |
| 20693. |
What do you mean by algorithms |
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Answer» Ok Chod na jaane de padaku bache hai?? What??? These type of questions will not come...n this is not english yrrr.... Ok ,fine Bata to diya ?gussa kyo fir?? O hello main question puchhi hu page number nhi samjh me aaya An algorithm is a series of well defined steps which gives a procedure for solving a type of problem Page number 4 Answer is given in ncert book |
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| 20694. |
Formula : (a+b)3 |
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Answer» a^3+3a^2b+3ab^2+b^3 a3+b3+3a2b+3ab2 DK tum a3 +b3 +3ab(a+b) A3+b3+3a2b+3ab2 |
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| 20695. |
How I can score good marks in maths?? |
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Answer» Kya karu? But mann ni horha pdne ka By practicing ncert book |
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| 20696. |
Cos (A-B) =Cos a Cos b + sin a sin b |
| Answer» | |
| 20697. |
Find the distance between the following pairs of points (2,3),(4,1) |
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Answer» No 2. Answer is root8 Whole root (4-2)2+(1-3)2=whole root (2)2+(-2)2= whole root 4+4Whole root 8=2 Root 8 |
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| 20698. |
Find the quadratic polynomial whose zeroes are root 2 and root 3. |
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Answer» X^2-root 2x+root 3 x square - root 2 x + root 3 |
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| 20699. |
Show that n2-1 is divisible by 8 if n is an odd +ve integer |
| Answer» Let n = 4q + 1 (an odd integer){tex}\\therefore \\quad n ^ { 2 } - 1 = ( 4 q + 1 ) ^ { 2 } - 1{/tex}{tex}= 16 q ^ { 2 } + 1 + 8 q - 1 \\quad \\text { Using Identity } ( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 }{/tex}{tex}= 16{q^2} + 8q{/tex}{tex}= 8 \\left( 2 q ^ { 2 } + q \\right){/tex}= 8m, which is divisible by 8. | |
| 20700. |
According to new syllabus has any capter been deleted |
| Answer» No | |