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InterviewSolution
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.
| 41551. |
3cos square a+2cos a÷3cos a+2 |
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Answer» Cos a =0:.cos a=cos 90:.a=90 0 |
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| 41552. |
How can we solve problems of proving in trigonometry |
| Answer» | |
| 41553. |
Ncert exampler is important or not important for board examination in mathematics paper |
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Answer» In my opinion after ncert only the exampler is important. It is important for the practice of board examination to train ourself for any type of questions. |
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| 41554. |
If sin®= cos®,find sec (theta) |
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Answer» √2 Under root 2 |
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| 41555. |
Ex 6.3 question 3 ncrt |
| Answer» See from cbse ncert solution | |
| 41556. |
Pl...ask me any difficult question of volume surface area ? |
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Answer» In 2nd ques.- r of pipe=2cm ,length of pipe=7m/sec×30min (length=distance=speed ×time)=(7×30×60×100)cmNow,volume of pipe =volume of tank,^r2h=^r2h,(^cancel),2×2×7×30×60×100=40×40×h,h=12600cm,h=126m, is the correct ans. Ans. Of your 2nd ques. will be 31.5 m . Is it correct? Its vry easy u hve to 1st find the area of 1 circle then x(into) 2 and subtract it from area of rectangle. water is flowing at 7 m/sec through a circular pipe of internal diameter 4 cm into a cylindrical tank the radius of whose base is 40 cm find the increase water level in 30 minutes ?? 2 circular pieces of equal radii and maximum area touching each other are cut out from a rectangular cardboard of dimension 14×??7 find the area of remaining cardboard ?? |
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| 41557. |
Pl..ask me any difficult ques. Of AP? |
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Answer» In that ques. U just solve individually LHS & RHS by sum formula. U will get proved. Right don\'t give If Sn denotes the sum of first n terms of an ap then prove that S12=3(S8-S4) |
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| 41558. |
I need questions of trigo and a.p |
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Answer» Please download from:you can log in using your gmail idhttps://www.vedantu.com/cbse/important-questions-class-10-maths Try to answer this:Prove that:tanθ+secθ-1/tanθ-secθ+1=1+sinθ/cosθ.[CBSE 2002,NCERT EXEMPLAR] |
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| 41559. |
5+zx+3z=6 |
| Answer» Z= 8.12 | |
| 41560. |
Phythagoras and BPT theorems ke converse important he kya boards mein puch skte he kya please batao |
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Answer» BPT and Pythagoras theorem are important because one of the theorem come in boards examination Yes Yaa important h...but bpt or pythagoras jyada important h |
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| 41561. |
What is answr whn we add Undr root 3 with undr root 3 |
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Answer» 2root 3 2√3 2√3 |
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| 41562. |
Find the 20th term the last term of AP is 3,8,13-------,253 |
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Answer» Use the formula {l-(n-1)d}253-19d =253-19×5 =253-95 = 158 A1( from last)-19d ............253-19(5)........253-95.........158 158...... |
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| 41563. |
Find lcm of number whose prime factorisation are expressible as |
| Answer» Complete your question............ | |
| 41564. |
2 or 3 marks questions of trigo |
| Answer» | |
| 41565. |
Find the sum of first 25th tems of an AP whose nth term can be shown as Tn= 2-3n |
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Answer» How to paste image Take n=1 you will get first term then put n=2 u will get second term then find d and solve it -925 Full solution |
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| 41566. |
Prove that √[email\xa0protected][email\xa0protected] = Tan @[email\xa0protected] |
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Answer» But, square nhi hai...... Root ke niche sec and cosec dono h Bhumika ji, check kijiye question.......ye root ke niche, sec square or cosec square hona chahiye Your question is wrong..... Correct question is... Prove that cot theta +tan theta =cosec theta×sec theta |
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| 41567. |
Prove that (1+secA-tanA)/(1+secA+tanA)=(1-sinA)/cosA |
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| 41568. |
Kya koi mujhe trigo ke important question bata sakta h pls |
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Answer» Change in term of sin and cos, send denominator inside of p as p×dinominator then square on both side then solve it Solution to bahut lamba h If [email\xa0protected] + [email\xa0protected]=p then find the value of [email\xa0protected] |
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| 41569. |
What ia the diameter of radius 0 |
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Answer» No circle will form No curcle has radius 0 or if it has a curcle cant be formed Diameter =2radius D= 2×0 D= 0 Sis 0 radius se circle hi nahi ban sakta fir diametre ki to baat hi rehne do |
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| 41570. |
Provr |
| Answer» What??? | |
| 41571. |
Find the HCF of 12576 and 4052 by using the Fundamental Theorem of Arithmetic? |
| Answer» 12576=4052*4+4204052=420*11+30420=30*14+0..this will be your hcf | |
| 41572. |
How we find mean by step deviation method in exercise 14.1 question 8 in ncert |
| Answer» Step Deviation ...is simple dude..Just go & see the examples of RS Aggarwal... | |
| 41573. |
If ∆ABC ~ ∆PQR, ar(∆ABC) = 16cm2 and ar(∆PQR) = 81cm2. If AB=2 cm. Find PQ. |
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Answer» Abs/pqr=ab/pq16/81=2/pq4/9=2/pqpq=9×2/4pq=4.5 4.5cm |
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| 41574. |
Find the root of the equation 16x- 10÷x =27 |
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Answer» This equation has only one root -10/11 -5/16 and 2 |
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| 41575. |
Irrational no. Betweer root3 and root2 |
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Answer» 1.313 and 1.3562 1.5 , 1.6 456 567 678 74e |
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| 41576. |
In n th term of an ap is (2n+1). What is sum of its first three terms |
| Answer» 15 | |
| 41577. |
Anyone who knows how to send photos ---can hlp to make esy learning |
| Answer» | |
| 41578. |
Find four terms in an A. P. Whose sum is 120 and the sum of whose square is 120. |
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Answer» Ya, aryan is ryt I hope that u know the method.. Take the terms as a-3d, a-d, a+d, and a+3d... And no need of saying thnx ? Bhai apka question galat h maine ye question padha h isme 120 nahi pehle value sirf 20 h 2,4,6,8 or 8,6,4,2 |
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| 41579. |
If sec thita+tan thita is equal to P, then find the value of cosec thita |
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Answer» I/cos thethe+ sin thethe / cos thethe1+ sin thetha/ cos thethe=pCosecthetha= 1/ sin thethaSecthethe + tanthethe= p..................1Sec^2+tan^2=1(Secthetha-tanthethe) ( secthetha+ tanthetha)( secthetha- tanthethe)=1.................2By adding equation 1 and 22secthetha= p+1/pSectheta=p^2+1/2p(P^+1)-(2p)^2Under root (p^2)^2+1^2×2p^2-4p^2Under root p^4+1-2p^2Root cancel by squareP^2-1Cosecthetha is hypho/ parpendicularSo Cosecp= p^2+1/p^2-1 Ha, bahut common question hai (P^2+1)/(p^2-1) |
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| 41580. |
Find the perimeter of a triangle with vertices (0,4) (0,0) (3,0) |
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Answer» 12 Ok 12 by using distance formula Method kya h ans lane ka 12 |
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| 41581. |
Sec4 theta-sec2theta=tan4theta+tan2theta |
| Answer» [email\xa0protected]@[email\xa0protected]@([email\xa0protected]).....([email\xa0protected])([email\xa0protected]).....1([email\xa0protected])[email\xa0protected]([email\xa0protected])[email\xa0protected][email\xa0protected](H.P) | |
| 41582. |
In ncert page no 202 why pd=8/rut3-1 |
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| 41583. |
Prove root 2 is rational no |
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| 41584. |
If A and B are the zeroes of the quadratic polynomial ax2+ bx + c, then find the value ofA+B+AB |
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| 41585. |
If p is a prime number then p is an …………………………. Number. |
| Answer» Rational number | |
| 41586. |
a & b are the o\'s of polynomial x²-6x+k where 3a+4b=10 find the value of k? |
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Answer» 3a+4b=10 equation. 1a+b=-b/aa+b=6 equation 2Multiply 2nd eq by33a+3b=18By eliminate equ1&2remain b=-8By putting the value of b in equ1 we geta=14ab=c/a14×-8=kK=-112 K=-112 K=5 |
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| 41587. |
1+sec A/secA=sinA/1-cosA give the answers |
| Answer» LHS= 1+1/cosA/1/cosA cosA+1/cosA/1/cosA cosA+1RHS=sin2A/1-cosA 1-cos2A/1-cosA (1-cosA)(1+cos)/1-cosA (using identity) 1+cosA LHS=RHS | |
| 41588. |
Find the quadratic polynomial whose zeros are 4and1 |
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Answer» Required polynomial is x2-4x+1. K{x^2-x(sum of zeroes)+ product of zeroes} 4+1 = 5,4×5=20 |
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| 41589. |
Exercise 13.5 ka 1 question |
| Answer» 249π | |
| 41590. |
What is a good stragedy to prepare maths??? ? |
| Answer» Practice practice and only practice | |
| 41591. |
Cnstruct of similar triangle drawing tangent to angle when angle between tangent is given |
| Answer» Ask on brainly | |
| 41592. |
Which chapters are important for exam |
| Answer» Trigonometry triangle circle stastic and construction surface area and volume | |
| 41593. |
what are consecutive numbers |
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Answer» The numbers which are continuos such as 15,16 Who has more than two factors |
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| 41594. |
Maths mai ncert karlena bohot hai kya ??????? |
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Answer» Do different types of question from advisors. Ncert kr lena bahut to h...exam clear karne ke liye?but if you want to score good in maths...plz try to solve more extra questions...no need to run after rd sharma or any other reference book...?just do some sample papers and solve last years questions....u will have a great result..? u just need confidence and you can do it...all the best dear..?? Yes its sufficient and if you will solve the board papers of back few years you can score very good percent in maths Yaar bohut haiLakin AP rd se kr lenaRd se sirf ap mai question ata haiiBaki ncert |
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| 41595. |
Solve. √(3+2√2) |
| Answer» 1 + root 2 | |
| 41596. |
Ex 15.2 ka 1st question kasa hoga please explain |
| Answer» No.on 1st thrown ko add kro no. On 2nd thrown | |
| 41597. |
The sum of three numbers in AP is 12 and sum of their cubes is 288.Find the numbers. |
| Answer» Let the three numbers in A.P. be {tex}a - d, a, a + d{/tex}.{tex}3a = 12 {/tex}or, {tex}a = 4{/tex}.Also, (4 - d)3 + 43 + (4 + d)3\xa0= 288or, 64 - 48d + 12d2- d3 + 64 + 64 + 48d + 12d2 + d3 = 288or, 24d2 + 192 = 288or, 24d2 = 288 - 192or, 24d2 = 96or, d2 = 96/24or, d2 = 4d ={tex}\\pm{/tex}2The numbers are 2,4, 6, or 6,4,2. | |
| 41598. |
Value of sin q1+ sin q2 + sin q3 =3, find cos q1 + cos q2 + cosq3= |
| Answer» | |
| 41599. |
Which point on x axis is equidistant from (5,9) and (-4,6) |
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Answer» (3,o) 3,0 |
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| 41600. |
Say important question please |
| Answer» Give | |