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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.
| 4151. |
The sum of n terms of AP is given by Sn |
| Answer» Wage likh | |
| 4152. |
π×7 |
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Answer» 22 22 |
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| 4153. |
show that the sequence defined by an=2n square +1 is not an AP |
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Answer» ???? No I wont |
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| 4154. |
If tanA +cotA=1 then find the value of tan + cot squre A |
| Answer» | |
| 4155. |
if a quadratic equation PX2-2root5 PX +15=0 has two equal roots then find the value of p |
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Answer» Use D=b2-4ac Use quadratic formula |
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| 4156. |
How federalism is practiced in India ??? |
| Answer» Same like Beigium only dffrnc is community GOV | |
| 4157. |
What is the formula of area of segment |
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Answer» It\'s pi into theta divided by 360degree minus sinthetaby2 into costhetaby2 whole multiplied to r2... Since the symbols aren\'t available in my keyboard... I wrote it in words... Hope I make clear... N that this helps... Regards... Soumya! Area of segment =Area of minor/major - Area of triangle |
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| 4158. |
The diffrence between two consequtive numbers |
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Answer» 1 or -1 1 |
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| 4159. |
Does blue print help us in preparation of our exam and will help in scoring. Good marks ? |
| Answer» YES, IT HELPS IN STUDYING THE SUBJECT IN MANNER | |
| 4160. |
what is convers of thales therom |
| Answer» Not possible here | |
| 4161. |
an=3n+2 |
| Answer» | |
| 4162. |
If seca= x+1/4x, prove that seca+tana=2x or1/2x |
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| 4163. |
Find the value of (A ) so that the point ( 3, A ) lies on the line represented By 2x-3y=5. |
| Answer» Since the point (3, a) lies on the line 2x - 3y = 5, we have2\xa0{tex}\\times{/tex}\xa03 - 3\xa0{tex}\\times{/tex}\xa0a = 5{tex}\\Rightarrow{/tex}\xa06 - 3a = 5{tex}\\Rightarrow{/tex}\xa03a = 1{tex}\\Rightarrow{/tex}\xa0{tex}a = \\frac { 1 } { 3 }{/tex} | |
| 4164. |
5x= sec∆ and 5/X= tan∆ evaluate 5(x^2-1/x^2 |
| Answer» | |
| 4165. |
Is -1 a term of A.P 27,23,19....-65? Justify |
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Answer» 23/2*2×5After two decimal Just use an formula where put an value = -1 ... if it comes in while no. Then it is and if it comes in fraction then not |
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| 4166. |
If x=alpha sintheta+beeta costheta and y=alpha costheta+beeta sintheta find the value of x and y |
| Answer» | |
| 4167. |
What does collinear mean? |
| Answer» collinear means area=0 | |
| 4168. |
Which term ap 3 10 17 will be 84 more than its 13 term |
| Answer» let n th term be 84 more than its 13 term then , n th term =84 + 13 th term 3+(n_1)7=84 + 3 + (13_1)73+7n_7=84+3+12×77n_4=87+847n=171+47n=175n=175÷7N=25 | |
| 4169. |
Difference between Euclid division algorithm and lemma |
| Answer» Kya matlb ayega nhi.. | |
| 4170. |
If LCM (a,b) = 26460, HCF (a,b) =27 and b= 540 then find the value a |
| Answer» a- 1323 | |
| 4171. |
Pre board |
| Answer» Final Exam | |
| 4172. |
If M,N andT are in AP prove that(M+2N-T)(2N+T-N)=4MNT |
| Answer» | |
| 4173. |
if x - 4y = 3 and 3x + 2y = -3 then find value of x and y |
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Answer» X=-3/7andy=-6/7 X=-6/7andY=-3/7 X= --1/2Y = --7/8 |
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| 4174. |
Is 7×6×5×4×3×2×1+5 is a composite number justify your answer |
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Answer» Yes Yes it is a composite number because it has 3 factors first 1 , second the no. Itself and third as you can see 5? |
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| 4175. |
I would rather walk with a friend in a dark but alone in the light. |
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Answer» Ok friends Let be friends Np Sorry for talking with you like that bro.?? Acche hain bhai? Dekh agar tujhe aache Na Lage mere thoughts.Don\'t appreciate them.Is that simple. Aankho se.Tu kha se dekhta hai. Bhai Kahan se dekh Raha hai???? |
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| 4176. |
A real women can do it all by herself , but a real men won\'t let her. |
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| 4177. |
You can\'t start the next chapter of your life .If you keep re-reading the last one. |
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Answer» Making mistakes is a habbit but learning from them is a part of life . Realise your mistakes and go to the next chapter. Things may come to those who wait but only the things left by those who hustle ? If you don\'t re-read your last chapter, you would never find your mistakes. Thanks Ossum..??? |
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| 4178. |
Which questions are most probably to learn for exams |
| Answer» Your roll number and your name. | |
| 4179. |
What is the formula of perimeter of tringle |
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Answer» Sum off 3sides. 3×side Sum of all sides A+b+c 3a |
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| 4180. |
Area of Sq |
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Answer» Side square S×S |
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| 4181. |
State the fundamental throme of arthmitic |
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Answer» Every composite number can be expressed as a product of primes and this factorisation is unique apart from the order the prime factors occus Composite no is equal to product of primes |
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| 4182. |
1+2+4%5 |
| Answer» | |
| 4183. |
Please try to question number 5 of exercise 13.4 |
| Answer» You can check NCERT Solutions here :\xa0https://mycbseguide.com/ncert-solutions.html | |
| 4184. |
Find the Sum of first 19terms of the A.P whose nth term is given by an=7-4n |
| Answer» Given: an=7-4nTherefore, a1 = 7-4(1)=3 a2= 7-4(2)=-1 a3 =7- 4(3)=-5A.P. will be 3,-1,-5.......d=-4Sn=n/2 (2a+(n-1)d)S19=19/2(2(3)+(19-1)-4) =-627 | |
| 4185. |
What is the largest number that divides 245 and 1029 leaving remainder 5 in each case |
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Answer» Subtracted 5 and take HCF, ans is 16 Subtract 5 from both numbers then find their LCM |
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| 4186. |
Find the maximum volume of cone that can be carved out of solid hemisphere of radius r. |
| Answer» {tex}\\frac{1}{3}\\pi {\\text{ }}{r^3}{/tex} | |
| 4187. |
for what value of k,is a solution of equation x to the power 2_(a+b)x+k=0 |
| Answer» 2 | |
| 4188. |
Solve:99x+101y=499 101+99y=501 |
| Answer» Is there x for 101 | |
| 4189. |
BPD theorem |
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Answer» A line is drawn parallel to a side of a traingle which intersect other 2 sides and it divide these in equal ratio I think it\'s BPT |
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| 4190. |
CosecA + cotA = p |
| Answer» Try the equation Cosec square theta - cot square theta | |
| 4191. |
About less than type and more than type ogive |
| Answer» U know by any help book of maths | |
| 4192. |
prove--- sec +tan-1/tan - sec+1=cos/1 sin |
| Answer» According to the question,L.H.S. =\xa0{tex}\\frac { \\sec \\theta + \\tan \\theta - 1 } { \\tan \\theta - \\sec \\theta + 1 }{/tex}{tex}= \\frac { ( \\sec \\theta + \\tan \\theta ) - \\left( \\sec ^ { 2 } \\theta - \\tan ^ { 2 } \\theta \\right) } { ( \\tan \\theta - \\sec \\theta + 1 ) }{/tex}\xa0[{tex}\\because{/tex} sec2{tex}\\theta{/tex} - tan2{tex}\\theta{/tex} = 1]{tex}= \\frac { ( \\sec \\theta + \\tan \\theta ) [ 1 - ( \\sec \\theta - \\tan \\theta ) ] } { ( \\tan \\theta - \\sec \\theta + 1 ) }{/tex}{tex}= \\frac { ( \\sec \\theta + \\tan \\theta ) ( \\tan \\theta - \\sec \\theta + 1 ) } { ( \\tan \\theta - \\sec \\theta + 1 ) } = ( \\sec \\theta + \\tan \\theta ){/tex}{tex}= \\left( \\frac { 1 } { \\cos \\theta } + \\frac { \\sin \\theta } { \\cos \\theta } \\right) = \\frac { ( 1 + \\sin \\theta ) } { \\cos \\theta } = \\frac { ( 1 + \\sin \\theta ) } { \\cos \\theta } \\times \\frac { ( 1 - \\sin \\theta ) } { ( 1 - \\sin \\theta ) }{/tex}{tex}= \\frac { \\left( 1 - \\sin ^ { 2 } \\theta \\right) } { \\cos \\theta ( 1 - \\sin \\theta ) } = \\frac { \\cos ^ { 2 } \\theta } { \\cos \\theta ( 1 - \\sin \\theta ) } = \\frac { \\cos \\theta } { ( 1 - \\sin \\theta ) }{/tex}\xa0= R.H.S.{tex}\\therefore{/tex}\xa0{tex}\\frac { \\sec \\theta + \\tan \\theta - 1 } { \\tan \\theta - \\sec \\theta + 1 } = \\frac { \\cos \\theta } { ( 1 - \\sin \\theta ) }{/tex} | |
| 4193. |
Tomorrow is mathematics pre board exam ,how to prepare for this subject |
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Answer» Mera exam bahar se ayega Tumahra exam baahar se ayega ya scul se hi ? Go baat Dr ayega ya tumahre scul Dr hi? By learning formula Masti,masti and masti thank you Practice practice and practice..... |
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| 4194. |
Find the number when divided by 1 gives 23 as quotient |
| Answer» | |
| 4195. |
(A+b)holesqauer |
| Answer» a²+b²+2ab | |
| 4196. |
X isto power 2-4ax+4a isto power 2-b isto power 2 by completing square method |
| Answer» We have the following equation,{tex}x^2-4ax-b^2+4a^2=0{/tex}{tex}\\Rightarrow{/tex}\xa0x2\xa0- 4ax + (4a2\xa0- b2) = 0Factorise the equation{tex}\\Rightarrow{/tex}\xa0x2\xa0- 4ax + (2a + b)(2a - b) = 0{tex}\\Rightarrow{/tex}\xa0x2\xa0- (2a + b)x - (2a - b)x + (2a + b)(2a - b) = 0{tex}\\Rightarrow{/tex}\xa0x[ x - (2a + b)] - (2a - b)[x -\xa0( 2a + b) ] = 0{tex}\\Rightarrow{/tex}\xa0[x - (2a + b)] [x - (2a - b)] = 0{tex}\\Rightarrow{/tex}\xa0x -\xa0(2a + b) = 0 or\xa0x -\xa0(2a -\xa0b) = 0{tex}{/tex}Therefore, x = 2a + b or x = 2a - b are solutions of the equation. | |
| 4197. |
Which type of silution will the pair of linear equations X+3y=4 and 2x+y=5? |
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Answer» Unique Unique solution |
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| 4198. |
Sin2A+cos2A=1 poof |
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Answer» sorrytake 2a angle as complemantarytake sin common 2a -2a will eliminate sin90 =1 convert to complementary?take away sin?transpose what got?hope you will do it✅ Bhai book m h 8.4 se pehle |
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| 4199. |
Triagle |
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Answer» Spelling mistake. Nice chapter |
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| 4200. |
If tan alpha and sec alpha are lies on x axis on its colinear with centre than find the radius |
| Answer» | |