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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.
| 33101. |
Can I will be able to score good marks even i am unable to attend school for 1 month ? |
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Answer» Surely,by hard work and by taking less or no holiday Yes.but dont take any holiday now onwards |
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| 33102. |
prove that root5+root3 and root3 is an irrational number |
| Answer» We know that √5 and √3 and √2 are irrational numbers | |
| 33103. |
Prove that ( 3+2 root 5 ) squareisan irrational no |
| Answer» 3+2√5=a/b2√5=a/b-3√5=a/2b-3=RHS is rational Let us assume that √5 is rational Then √5=p/qAlso P&q are co primes Squaring on both sides 5 divides p and q This contractions arises due to our wrong assumption that √5 is rational =√5 is rational | |
| 33104. |
All algebric identities |
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Answer» Plz explain saurabh VsnamK |
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| 33105. |
Show that path represented by the equation x-3y=2 and -2x+6y=5 are parallel |
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| 33106. |
Root x + y=11X +root y =7 |
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| 33107. |
Kya 2019 ke exam mein isi syallbus se question aayega |
| Answer» kon sai | |
| 33108. |
How quadratic eqation represent by graph |
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Answer» We can solve quadratic equation by taking our own value of X and Y quadratic equation solve then put a graph |
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| 33109. |
Sovle by quadratic formula....4 x square + 4b x minus (a square minus b square)=0 |
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| 33110. |
Previous year questions |
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| 33111. |
How can we identify whether root 2 is irrational |
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Answer» Let Us assume that root 2 is a rational no. Than, exist of Co-prime a and b. B is not equal to zeroRoot 2 = a/b Since a/b is rational no. But root 2 is irrational no so root 2 is irrational no. See NCERT pg no-12 Lat wrong assumption |
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| 33112. |
Sin73+sin17 |
| Answer» sin(90-17)+sin17cos17+sin17 | |
| 33113. |
(a+b)2x2-4abx-(a-b)2=0 |
| Answer» We have,{tex}(a + b)^2x^2 - 4abx - (a - b)^2 = 0{/tex}In order to factorize {tex}(a + b)^2x^2 - 4abx - (a - b)^2{/tex}, we have to find two numbers \'l\' and \'m\' such that.l + m = -4ab and lm = -(a + b)2(a - b)2Clearly, (a - b)2 + [-(a + b)2] = -4ab and\xa0lm = -(a + b)2(a - b)2l = (a - b)2 and m = -(a + b)2Now,{tex}(a + b)^2x^2 - 4abx - (a - b)^2 = 0{/tex}{tex}\\Rightarrow{/tex}{tex}(a + b)^2x^2 - (a + b)^2x + (a - b)^2x - (a - b)^2 = 0{/tex}{tex}\\Rightarrow{/tex} (a + b)2x [x - 1] + (a - b)2[x - 1] = 0{tex}\\Rightarrow{/tex} (x - 1)[(a + b)2x + (a - b)2] = 0{tex}\\Rightarrow{/tex} x - 1 = 0 or (a + b)2x + (a - b)2 = 0{tex}\\Rightarrow{/tex} x = 1 or {tex}x = - \\frac{{{{(a - b)}^2}}}{{{{(a + b)}^2}}}{/tex} | |
| 33114. |
What is the formulae of sin a |
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Answer» P/ h P/h Perpendicular /Hypotenus P/H perpendicular/hypotenus |
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| 33115. |
If the sum of first nth terms of an ap is 3n^2-2n. Find the A.P. and its 18th terms. |
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| 33116. |
(3/x+1)+(4/2 (x-2))=23/5x find the roots |
| Answer» Hello.... | |
| 33117. |
What is polygon triangle |
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| 33118. |
Solve for x and y x+y=a+b and ax+by=a^2+b^2 |
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| 33119. |
Find the product of roots of a quadratic equation 2x^2+7x-4 |
| Answer» -2 | |
| 33120. |
Maths compartment syllabus 2018 |
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| 33121. |
X2-3x-10=0 |
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Answer» 5 and -2 X^2-3x-10=0X^2-5x+2x-10=0X(x-5)+2(x-5)=0(X+2)(×-5)=0X=-2 or x=5 |
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| 33122. |
If alpha and beta are two zeros of polynomial 2x2-3x+7,evaluate 1/2alpha -3 -1/2beta-3 |
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Answer» eq. has no real roots Hi |
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| 33123. |
Draw a scale of RF 1 :100000 (into km) |
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| 33124. |
How much time should i denote to maths daily? |
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Answer» I studied 10 hours a day mathematics then i got 100 of 100 in class 10 If you are good in maths then 2 hours are sufficient 2 hours maximum At least 2 hours About 2 - 3 hour |
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| 33125. |
Solve the equation. -2+5+8.......+x=155. Chapter Arithmetic progressions |
| Answer» Hi.. | |
| 33126. |
_3/2 +49/16 |
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Answer» 25/ 16 Apne app kr la |
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| 33127. |
x+7y=10;3x-2y=7 |
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| 33128. |
x square - 4 a square x + 84 - b ^ 4 is equal to zero |
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| 33129. |
The sum of N terms of an AP is 7n^2+9n find the AP. Also the 18th term? |
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| 33130. |
Solution of a quadratic equation by factorisation |
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Answer» no Definition |
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| 33131. |
solve by cross multiplication methodX/a+y/b=2ax-by=a.a-b. b |
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| 33132. |
what is finite numbers |
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| 33133. |
A wheel takea 1000revuloutions covering adistance of 88 km find the radius of whell |
| Answer» 14 m | |
| 33134. |
If cos A = 5/3 .find the value of other trignometry ratio and calculate sinA and Tan A. |
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| 33135. |
Find the common difference of 2p,p+103p+2 |
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| 33136. |
8x ² + 22 x - 21 =0 solve this equation in completing square method |
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| 33137. |
20, 191\\4, 181\\2 |
| Answer» Ap | |
| 33138. |
(kx)2 + kx + 1 = (-4x)2 - x |
| Answer» We have,{tex}kx^2 + kx + 1 = -4x^2 - x{/tex}{tex}\\Rightarrow{/tex}{tex}kx^2 + 4x^2 + kx + x + 1 = 0{/tex}{tex}\\Rightarrow{/tex}{tex} (k + 4)x^2 + (k + 1)x + 1 = 0{/tex}Here, a = k + 4, b = k + 1 and c = 1{tex}\\therefore{/tex}{tex}D = b^2 - 4ac{/tex}= (k + 1)2 - 4 {tex}\\times{/tex} (k + 4) {tex}\\times{/tex} (1){tex}= k^2 + 1 + 2k - 4k - 16{/tex}{tex}= k^2 - 2k - 15{/tex}{tex}\\Rightarrow{/tex}{tex}D = k^2 - 2k - 15{/tex}The given equation will have real and equal roots, ifD = 0{tex}\\Rightarrow{/tex}{tex}k^2 - 2k - 15 = 0{/tex}{tex}\\Rightarrow{/tex}{tex} k^2 - 5k + 3k - 15 = 0{/tex}{tex}\\Rightarrow{/tex} k(k - 5) + 3(k - 5) = 0{tex}\\Rightarrow{/tex} (k - 5)(k + 3) = 0{tex}\\Rightarrow{/tex} k - 5 = 0 or k + 3 = 0{tex}\\Rightarrow{/tex} k = 5 or k = -3 | |
| 33139. |
Find the greatest number of 6 digits exactly divisible by 24,15 and 36? |
| Answer» The greater number of 6 digits is 999999.LCM of 24, 15, and 36 is 360.{tex}999999 = 360 \\times 2777 + 279{/tex}Required number is = 999999 - 279 = 999720\xa0 | |
| 33140. |
Corresponding angle kya ha samajo |
| Answer» The angles which occupy the same relative position at each intersection where a straight line crossess two others. If two lines are parallel, the corresponding angles are equal.Welcome | |
| 33141. |
X minus 3 upon X + 3 - X + 3 upon x minus 3 is equal 48 upon 7 |
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| 33142. |
the diagonal of a rhombus measure 16cm and 30cm.find its perimeter |
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| 33143. |
How to score 95% ± in Class 10 cbse board |
| Answer» Learn all you NCERT question,back exercise,NCERT textbook and try to twist your question by using how and why in that question | |
| 33144. |
A boy is standing at distance of x cm from the car calculate the diatance |
| Answer» 198 | |
| 33145. |
If 2sinA+cosecA =3 then find the value of sin4A +1/ sin2A |
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| 33146. |
What is unpublished data |
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| 33147. |
How to make 155 degree angle |
| Answer» It is not possible without D | |
| 33148. |
155degree angle |
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| 33149. |
Find the 8 term from the end of the a.p. 7,10,13,--------,184 |
| Answer» To solve it easily we can reverse the a. P Starting term i.e a=184 common difference is become - 3 instead of +38th term = a+ 7d184+7(-3)=163 | |
| 33150. |
What is the formula for finding area of isolics triangle |
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