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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The quadratic equation 2xsquare -root5 +1=0 has how many distinct real roots????? |
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Answer» It has 2roots It has no real roots... |
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| 2. |
If p,q are two prime number ,LCM (p,q) is?? |
| Answer» pq | |
| 3. |
In what ration is the line segment joining the point p (2-6) and Q (5,3) divifed by x- ocis |
| Answer» Let point be (x,0) because x-axis is givenTheny=m1y2+m2y1/m1+m20=m1×3+m2×(-6)/m1+m20=3m1-6m2/m1+m20=3m1-6m23m1=6m2m1/m2=6/3m1/m2=2/1Therefore,ratio is 2:1 | |
| 4. |
Hello frnds ..aaj koi h ki ni,??????? |
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Answer» Ok bri..ab after 10:30 ke baad aunga..baat ho to baata dena Bahar* Ok bro..mai jata hu..bahara hu avi Ni abhi aaunga 5 jan tk uske baad sirf saturday...5 jan tk daily aaunga Kb aoge bata do..vo keh rhi thi jab mood sahi hoga aajayegi..net bhi slow chalta h Ab mai thora km aaunga ,zx Ok..bro.. Bol dena baat krne ko.......kuch batana h Haa...apse baat kregi vo..aapse baat krne hi aai thi..pr kuch or ho gya.. Ab jb baat ho to meri taraf se ..hello.bol dena Ok bro koi ni Ayengi..pr mood off tha uska..isliye shyd abhi na aaye..vaha bhi ni aati zyada ab.. ,**_ Yaha ni aayengi kya Sis..gourav waha aa gye Yaha ni..insta pe aai thi..dopahar me baat hui meri..3:30 ke aas pass..phir ni aayi *_ Byee.. ,*" Kb aayi thi Bestie ji shi h bro...aayi thi pr baat ni ki mere se..aadya se or miss se hoti h uski baat..mere se zyada ni hui Sis apne questions ....style tag question pe dekho ..kuch h Thanks ankesh bro...???? Hii shivansh Meko yaad ho...pr tum meko ignore krte rehte ho!!??... I have never used brainly,so i don\'t know Sis brainly pr aap apne question. Style tag in html pr dekho Bhula ni yrr ..but pahchan ni paya You forgot me ? bro Shivansh kese milenga hme brainly pr Hii sis Hi Tumhara name Mera bhi net slow hai Awesome ? bro ?? Net slow h mera Fine and u... How are you bro *" Bestie ji kaisi h Fine and u I\'m bro Net slow ho gya bht Hu bro |
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| 5. |
The distance of the point P (-3,4) from the x-axis is |
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Answer» Distance of a point P (a, b) from X-axis is |b| and from Y-axis is |a|.Therefore, the distance of point P(-3, -4) from X-axis is 4 (as distance is never negative). 4 5 units |
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| 6. |
Prove root 3 is a irrational numi |
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| 7. |
If cosA=2/3then the value of 2sec^2A+2tan^2A-7 is |
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| 8. |
Real number all question solved |
| Answer» | |
| 9. |
HCF of 168 and 210 |
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Answer» Thanks sir 42 |
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| 10. |
Is there an easy method od doing completing the square method |
| Answer» It is not in the syllabus | |
| 11. |
Is there any difference between perimeter and circumference of a SEMI CIRCLE of radius ,r |
| Answer» No. both are same, just they are the 2 different names of the same thing | |
| 12. |
New question |
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Answer» New answer? ???? |
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| 13. |
Rashmi made a rangoli design |
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Answer» ?? ok so what??? |
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| 14. |
How 2+2=5 |
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Answer» 2+2=5 (equation 1)2=5-22=3Hence put this value in equation 1. Then2+3=5 When 2 is a variable and its value is 2.5. |
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| 15. |
Which terms of the A.P. 10,7,4,is is -41? |
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Answer» Yes this is ap because common different is same -41 an=a+(n-1)d-41=10+(n-1)-3-41=10-3n+3-41-13= -3n-54=-3nn= -54÷ -3n= 18Hence 18^th term of given A.P is -41 |
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| 16. |
Sin(6O°+ θ)-Cos(30°- θ)=? |
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Answer» 1 0 Ans 0 Cos (30° - θ) = cos { 90° -(60° + θ)}= sin(60°+ θ)Now, Sin(60° + θ) - cos(30° - θ)= Sin(60° + θ) - sin(60°+ θ)= 0 |
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| 17. |
Find the median of a distribution whose mode is 11 and mean is 20 |
| Answer» Mean = 20 and mode =11Mean – Mode = 3 (Mean – Median)20 - 11 = 3 (20 - median)9 = 3 (20 - median)20 - median = 9/3 = 320 - median = 3median = 20 - 3median = 17 | |
| 18. |
Find the median of the distribution whose mode is 11 and mean is 20 |
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Answer» Mean = 20 and mode =11Mean – Mode = 3 (Mean – Median)20 - 11 = 3 (20 - median)9 = 3 (20 - median)20 - median = 9/3 = 320 - median = 3median = 20 - 3median = 17
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| 19. |
What is important chapter of mathematics |
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Answer» All chapters are important. But algebra has 20 marks in 80. All All algebra chapters are scoring |
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| 20. |
Show that if seven colour are used to paint 50 cars, at least 8 cars will have the same colour |
| Answer» 1/7 | |
| 21. |
Ex-5.1 Q.1(a) |
| Answer» A= 15 8rs for additional km So 15, 15 +8 =23, 23 + 8 = 31 and so on ..... | |
| 22. |
Given ax+by=c and bx+ay=d find xx-yy |
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| 23. |
Find the 5 term of ap whose nth term is 3n-5 |
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Answer» Hi pinky an= 3n-5For 5th term n=3a5= 3(5)-5a5= 15-5a5 =10 Tn=3n-5T5=3(5)-5=15-5=10.5th term of AP is 10. |
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| 24. |
Find the area of parallelogram in the adjoining figure |
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| 25. |
Check whether - 150 is a term of the AP:11,8,5,2.... |
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Answer» No a+(n-1)d =-15011+(n+1)(-3)=-15011-3n+3=-15014-3n=-150-3n=-150-14-3n=-164 n =164/3. No, 150 is not the the term of ap Lol |
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| 26. |
Cot theta 12/5 ,find all other trignometric ratios |
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| 27. |
The length of the diagonal of a cube that can be inscribed in a sphere of radius 8 cm is?????? |
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| 28. |
If median of a series exceeds the mean by 4 find by what number the mode exceeds its mean |
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| 29. |
What is t probability of an impossible event |
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Answer» 1 0 Probability of an impossible event is 0. 0 0 P(T)=0,when T is an impossible event 0 0 |
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| 30. |
How to improve mathematics for boards ?? |
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Answer» No on read mathematics ncert not other book ?? Hii Prepare hard and learn all formula first . Then understand what question says.???? Practice more in maths text book Practice and just practice?first ncert clear kr lo then alag kuch krna Practice 10 hours study |
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| 31. |
Write the fraction for the given shapes |
| Answer» Where are the shapes?? | |
| 32. |
Chapter 5 all questions sample paper cbse mathematics |
| Answer» You can get all sample papers from www.cbse.online | |
| 33. |
If the pth,qth,&rth term of an Ap be a,b,c respectively show that a(q-r)+b(r-p)+c(p-q) |
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Answer» Bata nhi shakte par.hint to kar shakte ho? Waise ek hint de sakte gau Thoda long solution hi isiliye issme nhi bana sakte Isse aap net mau giigle pe search kar lo |
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| 34. |
If the seventh term of an Ap is 1/9 & its 9th term is 1/7. Find its 63rd term |
| Answer» a7=1/9a+6d=1/9 let it be eq 1a9=1/7a+8d=1/7 let it be eq 2 Now substitute both by elimination method you will get value of a and d Then put it in a+62d You will get your answer | |
| 35. |
Solve the equation 3x^2- 5x+2 by using formula method |
| Answer» 3x² - 5x+23x²-3x-2x+23x(x-1) -2(x-1)(X-1)(3x-1)X=1 x =1/3 | |
| 36. |
Prove 5 root3 is irrational |
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Answer» Let 5√3 be a rational number. a/b=5√3 a/5b=√3a/5b is a rational number.So,√3 is also a rational number.But the fact is that √3 is a irrational number. 5√3 be an irrational number. prove that 5√3 is irrational noLet 5√3 is rational number. \'a\' and \'b\' are two co-prime factor. a/b = 5√3 a/5b=√3 : Here a/5b are a rational Number.: √3 is also a rational Number.:: but it is contradiction because we know that √3 is irrational number. : :5√3 is a irrational number. Watch the example given on the ncert book? |
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| 37. |
two chords of a circle intersect at E such that CE=1.6 BE =3.2 AE=2.4 then find the length of DE |
| Answer» 1.2 units | |
| 38. |
For what value of p , are (2p-1) , 7 and 11p/2 three consecutive term of an AP |
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Answer» Thank you so much ? d=7-(2p-1)=7-2p+1=8-2pd=(11p/2)-7 =(11p-14)/2Therefore, 8-2p=(11p-14)/216-4p=11p-1416+14=11p+4p30=15p30/15=pp=2 |
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| 39. |
2÷44448888 |
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Answer» 22224444 0.000000045 |
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| 40. |
5n-4; a12 and a15 |
| Answer» An = 5n-2First term,a = 5×1-2 = 3second term,a 2 = 5×2-2 = 8d = a2-a1 = 8-3 = 512th term = 5×12 - 2= 60-2 = 5815th term = 5×15 - 2= 75 - 2 = 73 | |
| 41. |
If secB + tanB = x then the value of secB - tanB in term of x is? |
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Answer» 1/x 2÷26 SecB+tanB = x..(1)Sec2 B - tan2 B=1(SecB-tanB)(secB+tanB) = 1(SecB -tanB) (x) = 1 ( from (1))SecB - tan B = 1/x 1/x |
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| 42. |
Cos^4x-sin^4x |
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Answer» (Cos^2x-sin^2x)(cos^2x+sin^2x). Cos^4x-sin^4x=cos2x Cos^2x-sin^2x Cos²x-sin²x |
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| 43. |
Cos 4x-sin4x |
| Answer» cos(90-4x)-sin4x =sin4x-sin4x=0 | |
| 44. |
Prove that √p+√q is irrational,where p and q are primes. |
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| 45. |
√2 is irrational.Confusion in solution...... |
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| 46. |
T. S. A of cylinder |
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Answer» 2πr( h+r) 2πr(h+r) |
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| 47. |
Explain why 7×11×13×+13 and 7×6×5×4×3×2×1+5 are composite numbers |
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| 48. |
7+7 |
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Answer» 14?? 14 ? 14 Sayad 13 ya 14 me se kuch hoga...bht tough h yrr kaha se late ho yrr Tough** ??..yeh itna taught question hh ...ki board wale bhi nahi puchte..? 14 May be the answer is 14...?? It\'s too hard...? 14 |
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| 49. |
Write a pythagora theoran and convers |
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| 50. |
The altitude of equilateral triangle having the length of its side 10 is |
| Answer» 5√3 .. | |