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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.
| 4701. |
The product of 2 consecutive number is 2 if this statement is true or false give reasons |
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| 4702. |
write whethet the rationsl number 7/75 will have terminating or non-0terminating repeating decimal |
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Answer» It is non terminating decimal because it not written in the form of 2^m×5^n Non terminating Non termonating decimal |
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| 4703. |
2 (6+7-8) |
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Answer» 2(13-8)=2(5)=10 2 (13-5)2 (5)10 10 |
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| 4704. |
a(cos∅)+b(cos∅)=?? |
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Answer» (A+b)(costheta) ??? |
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| 4705. |
Evaluate Tan1°, Tan2°, Tan3°,............, Tan89°. |
| Answer» 1 | |
| 4706. |
2x-3y/4=3 5x=2y+7Find the linear equations |
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| 4707. |
If (k+y )is a factor of each polynomial y2+2y_15 and y3+a find value of k and a |
| Answer» K=5 or -3A = 27 or -125 | |
| 4708. |
How to find rational no. Between root 2 and root 3 |
| Answer» Open 9 class ncert book..... U will get | |
| 4709. |
Cos30 |
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Answer» Root 3/2 Root3/2 Underroot3/2 Root three upon two |
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| 4710. |
if alpha and bita the zeros of given quadartic polynomial then evaluate alpha minus bita |
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Answer» ??? Quadratic polynomial is not given |
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| 4711. |
Sin^8A — cos ^8 = (sin^2A — cos^2A) (1—2 Sin^2Acos^2A) |
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Answer» RD Sharma mein hai ye Maine just abhi iska ans nikal liya h Ye 10 ka hi ques h No gudiya Ye to 11 ka que. H I don\'t have any idea that from where the question is come |
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| 4712. |
Prove. Sin^6A+cos^6A =1 - 3sin^2Acos^A |
| Answer» =(Sin 2A) ^3+(cos2)^3=(sin2A+cos2 a) [(sin2A)2+ (cos2A)2 - sin2Acos2A] =(sin2A+cos2 a)^ 2 - 2sin2Acos2A - sin2Acos2A= 1-3sin2Acos2A | |
| 4713. |
If the sum of the first 14th term of an ap is 1050 and it\'s first term is 10 find the 20th term |
| Answer» Correct answer is 210....... | |
| 4714. |
The mean of following data is 50 find the mean |
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| 4715. |
For what value of k equation (k-2)x²+3x-5=0 has reciprocal roots |
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| 4716. |
blueprint |
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| 4717. |
If the adjoining figure is sector of a circle is radius 10.5 cm? Find the perimeter of the sector? |
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| 4718. |
If tan 3x +30degree =1 . Then find the value of x . |
| Answer» tan (3x + 30) =1........ {tan 45=1}Therefore, 3x + 30 =453x= 45-303x= 15x = 15/3x = 5..Hope so this anwer will helpful to you. | |
| 4719. |
(a+b)5= |
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Answer» 5a+5b 5a+5b |
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| 4720. |
What is completing squares?? |
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Answer» Tools nahi roots sorry Completing square is a method of find the real tools of given equation. |
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| 4721. |
1/ x -1 -1/x+5 = 6/7 |
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| 4722. |
Given two triangle (ABC) and PQR such that triangle ABC~triangle PQR to prove ar (abc)/ar (pqr) |
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| 4723. |
CSA of cone is 550mm find radius |
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Answer» Ur question is totally wrong for it we needed slant height also which is not given so can it be possible to find radius without knowing the value of slant height . As the formula for it is πrl. πrl=550mm. rl= 550×7/22.rl=175.r=175/l. 175/L |
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| 4724. |
I think sub ke pass fb and WhatsApp hoga toh pls go and chat there.. |
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Answer» Nhi ker sakte iss Aap per notes hai. Delete kar de ise darshana Padhne ke liye ask question me ane ki zaroorat nhi h tafri n lo Sahi hai ishaan bhai Shiksha na de Exactly....I don\'t understand why they r not studying.....after all its boards....and it won\'t be easy this time... Tu jakr uspar bat kar Ek Kam ker Tu Brainly per ja ker chating ker le Tu jaake uspr baat krle Brainly me ja ke padh le |
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| 4725. |
Distance between the point (x,2) (3,-6) is 10 unit.find positive value of x. |
| Answer» x=9 | |
| 4726. |
Distance between the points (x,2) (3,-6) is 10 units find the positive value of x. |
| Answer» x=9 | |
| 4727. |
Sin^6A-cos^6A |
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Answer» It will be very long Bhai sin and cos ke beech ka sign kya hai |
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| 4728. |
How many terms of the AP:9,17,25.......must be taken to give a sum of636? |
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Answer» It\'s 12 Lamba hai |
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| 4729. |
Value sin60 |
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Answer» Root 3 by 2 Root3/2 |
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| 4730. |
3 sinA=CosA Find value of sinA.tanA. (1+cotA) |
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| 4731. |
If Alpha and beta are the zeros of x^2 -mx+n, then find the value of alphas and beta? |
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| 4732. |
SinA+2cosA=1 then prove that 2sinA-cosA =2 |
| Answer» Sqaure both sides.Add (2sinA - cosA )^2 on both sides.Then solve further | |
| 4733. |
What would be the value of n for n²-1 is divisible by 8 |
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Answer» 3, 5, 7, 9, 11..... 5 |
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| 4734. |
Find the sum of 25 th term of an AP which n the term is given by tn=7-3n ??? |
| Answer» tn= 7 - 3n t1 =7-3 (1) =4t25 = 7- 3 (25) =7 - 75 = -68Sn = n/2 [t1 + t25]S25= 25/2 [4+(-68)] = 25/2 [-64] = 25 × (-32) = -800 | |
| 4735. |
Find the middle term of AP -11,-7,-3.............,-45 |
| Answer» I think -27 | |
| 4736. |
Find the zeros of the polynomial underroot 3x^-8x+4 underroot 3 |
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| 4737. |
1/2a+b+2x = |
| Answer» Isme hame x ki value nikalni h kya? | |
| 4738. |
On pg 6.64 ex 6.1 question 76 and 77 |
| Answer» Sorry its 6.46 | |
| 4739. |
Anyone uses rd sharma here? |
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Answer» Yes Ys Yes |
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| 4740. |
X+y |
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Answer» Plz complete the question Incomplete Itna hi h question |
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| 4741. |
CosA - 2/5 then find 4+ 4tan square A |
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Answer» Let, CosA-2/5 =0 CosA =2/5 b/hNow A to Q Using pthogreus theroemP² =H² -B²P²= 25 - 4P = √21Now, 4+ 4(√21/2)² (> tan = P/H ) 4+21 25 4 + 4tan^2 A =4( 1+tan ^2 A) =4× sec ^2 A =4 × 1÷cos ^2 A =4× (25÷4 ) =25 Sorry...its 25 13 |
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| 4742. |
1+cot€-cosec€ |
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Answer» Plz correct this question Hmm.. Ya u r right I think its incomplete.. What we have to prove What |
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| 4743. |
what is the timetable ofclass 10 |
| Answer» It is acc. To uh only | |
| 4744. |
What is the value of alpha-beta in terms of discriminant. Tell without calculation |
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Answer» In second formula there should be × Alpha + Beta = -b/aAlpha ÷ Beta = c/a......so......Alpha - Beta = B square - 4 × A× C/A square Very easy Then u r a good students Its clear ...no need of calculation ? Calculated? Now don\'t ask i m going ur qstns stop me Its √D/a I mean alpha minus beta Right ? No wrong Ok bye now Beta = -b -√D /2a Alpha = -b +√D /2a Si easy |
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| 4745. |
Is it possible to prove herons formula without using trigonometry |
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Answer» I will prove it ...it is too lendy & needs typing !! Tomorrow i will do it !! So easy for me Come on none have the guys? How tell me bt you have not to use formula of area of triangle Yes did in 9th without trigonometry |
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| 4746. |
Can anyone prove that sum of any 3 consecutive natural no is divisible by6 |
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Answer» No I was just kidding Hey priyanshi shayad aap chatting kar rhi h... ??? Isse acha to aap kisi or lrdki ko de dete... Km se km back to nhi lena prta Bechara ayush..... Yeah it was one of the easiest Then i take all my kisses back ?? Muje lga tha ki aap girl ho... Sry... U r boy??? In short Let no be x , x+1 , x+2 !! Now sum of these three = x+x+1+x+2 = 3x+3 = 3(x+1) !! By euclid. Lemma ...it is in form.of bq +r where r is 0 . it is divisible by 3 Yes so easy It\'s not a proof you have to prove it theoretically It is 6 divisible by 3 1+2+3 Sorry no 6 its3 |
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| 4747. |
ABC is a triangle in which ab=Ac and d is any point on BC then proove that ab`_ad`=bd× cd |
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| 4748. |
probability some Q. Ncrt |
| Answer» For NCERT refer to NCERT solutions of this app | |
| 4749. |
How trgonometry should be solved |
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Answer» Becoz I want to it\'s another answr Before solving question of tregonametry , first of all take all formula of it in front of you then after you solve question of it\'s. You know the answer so why u ask??????? By the help of Trigonometric formula By practice and only practice |
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| 4750. |
Cos {B+C}\\2 = sin A\\2 |
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Answer» IN R.H.S apply cosA=sinA(90-A) Sorry multiply with cos in both side In R.H.S apply sinA=cosA(90-A) After that multiply with sin in both side Then take A to next side Then divide them all with 2 START with angle sum property of triangle..A+B+C =180° |
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