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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.
| 9101. |
Prove that AM/AB = AN/AD if LM//CB and LN//CD |
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| 9102. |
5.3 ka 11 questions ka answer |
| Answer» An example | |
| 9103. |
Find the first term of arithmetic progression -65,-58-51... |
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Answer» -65 -65 Ap vala |
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| 9104. |
Tan/1-cot+cot/1-tan=1+sec cosec |
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| 9105. |
What is the value of x where 3x+2×4=0 |
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Answer» -8/3 -8/3 -8/3 -8/3 -8/3 is answer |
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| 9106. |
What os the definition of trigonometry |
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Answer» Trigonometry is the branch of mathematics which shows the relation between side and angle of right angle tringle Three sides measures Trigonometry mean tri mean three and metry means side |
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| 9107. |
Exercise 8.1 question number 11 |
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| 9108. |
If sum of the squares of zeros of the quadratic polynomial f(x)=x²+6x-k is 30 the value of k is? |
| Answer» Let a and b the zeros then a+b=6 and ab=kGivena squares + b squares=30(a+b)ka whole squares - 2ab=3036-2k=30-2k=30-36-2k=-6K=3 | |
| 9109. |
How to understand chapter 8 ncert. Easy trick |
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Answer» You learn from dear sir and magnet brains Do practical and concept will be clear🤣 |
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| 9110. |
How to find √ root .Please tell in easy tricks |
| Answer» √1 =1√9=3√225= 15 | |
| 9111. |
If the HCF of 65 and 117 is of the form (65m - 117), then m = ? |
| Answer» 65 | |
| 9112. |
x^2 + 2x -36 |
| Answer» Sorry but I think ur question is wrong . Plz check the question | |
| 9113. |
If sin (A-B)=1/2 and cos (A+B)=0 |
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| 9114. |
(-5/2) - (-5) |
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Answer» 5/2 5 |
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| 9115. |
Proof of angle Bisector theorem in triangle |
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| 9116. |
Factorization |
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| 9117. |
Ch 8. Ex8.4 q5 ii |
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Answer» Cos^2A + 1+ sin^2A / cosA× 1+ sin A = cos^2A+1^2+ sin^2 A + 2sinA/ cosA × 1+sinA. =Cos^2A + sin^2A + 1 +2 sinA/ cosA×1+ sin A =1+1+2sinA/cosA ×1+ sinA =2+2sinA/ cosA× 1+sinA. = 2(1+sinA)/ cosA× 1+sinA. =2/cosA = 2×1/ cosA = 2secA LHS= COSA/1+SINA+1+SINA/COS A |
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| 9118. |
Find the area of parallelogram ABCD if three of its vertices are A(2,4), B(2+√3,5) and C(2,6) |
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| 9119. |
tan theta/1- cot theta +cot theta/ 1-tan theta = 1+sec theta cosec thera |
| Answer» Hello | |
| 9120. |
What\'s trigonometry.?? |
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Answer» Measurement of sides and angles of a triangle is generally called as trigonometry. Trigonometry |
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| 9121. |
Find two numbers such that their sum is 6 and the product is 14 |
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Answer» -6±2√5/2 Polynomial Kya hai |
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| 9122. |
If 1 is q zero of polynomial p(x) =ax^2-3(a-1) -1, then find the value of a |
| Answer» Here *q* or a | |
| 9123. |
Sec theta+ tan theta = t then prove that Sec theta = t square +1 /2t |
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| 9124. |
Give me questions |
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Answer» What is Balkan state Ferrous sulphate is heated.Write observations. |
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| 9125. |
The x is chosen at random from -4,-3,-2,-1,0,1,2,3,4,5 probability of |x| less than 3 |
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| 9126. |
If lcm of 12 and 42 is 10m +4, find the value of m. Step by step explanation please 🙏🙏 |
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Answer» Lcm of 12 and 42 = 104 So, 10m+4= 10410m = 104-410m =100m = 100/10m = 10 Firstly find the LCM of 12 and 42 which is 252. Then 10m+4=252 |
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| 9127. |
Ask any question of mathematics class 1-10 |
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Answer» Completing of Square method is deleted Solve the equation 3x²-5x+2=0 by the method of completing the square |
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| 9128. |
The 20th term from last term of ap 100 96 92 .... -96is |
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Answer» A=100D= a2 -a196-100-4. Hii |
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| 9129. |
4x^2-2x-65=0 solve by factorisation |
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| 9130. |
Which reference book is best for class 10th maths |
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Answer» R D Sharma Exemplar Rd sharma Oswaal First is NCRT and then RD Sharma All in one Rd sharma |
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| 9131. |
Divide 2x²+3x+1 by x+2 |
| Answer» x+2)2x^2+3x+1(2x-1 2x^2+4x On subtracting we get -x+1 -x -2On subtracting we get 3Therefore ,we get 2x-1 as quotient and 3 as remainder | |
| 9132. |
Find whether 2x^2+4x-6 is a factor of 6x^3-26x+8x^2+14 |
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| 9133. |
2x+7=? |
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Answer» x=-7/2 x=7/2 X=-7/2 X= -7/2 X= 7/2 |
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| 9134. |
3+7/10 |
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Answer» 1 O 1 1 |
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| 9135. |
Write exam of the following as decimal |
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| 9136. |
What is the standard form of quadratic equation? |
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Answer» ax^+bx+c=0 ax^2 + bx + c = 0 ax²+bx+c ax^2+bx+c Because some other chemicals are also added in toothpaste that changes it\'s taste |
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| 9137. |
Find the unknown entries a b c d e f in the following distribution of height of students in a class |
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Answer» 0 1+23344566777 |
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| 9138. |
Find the area of sector of a circle with radius 6cm if angle of the sector is 60 degree |
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Answer» 132/7 132/7 or 18.85 (approx) 132/7 132/7 |
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| 9139. |
In fig 6.53 abd is a right angles triangle at c prive that ab square is 2ac2 |
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| 9140. |
Triangle odc similar to Triangle oba,angle boc=125° and angle cdo=70°.find angle doc,angle dylan oab |
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Answer» As the Triangle is similar their angles are also equal A 70 COD = 180 - 125 (linear pair) = 55 |
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| 9141. |
Prove that :Sin theta -2sin ^3 theta /2 cos^3 theta-cos theta=tan theta |
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Answer» Sin○-2sin^3○/2cos^3○-cos○ =sin○(1-2sin^2○)/cos○(2cos^2○-1) =sin○(2cos○)/cos (2cos○) Because 2cos^2○-1 and 1-2sin^2○=cos2○ Cut cos2○ and cos2○ Hence sin/cos=tan is proved Sin○-2sin^3○/2cos^3○-cos○=sin○(1-2sin^2○)/cos○(2cos^2○-1)=sin○(2cos○)/cos (2cos○)Because 2cos^2○-1 and 1-2sin^2○=cos2○Cut cos2○ and cos2○NOW,sin/cos=tan○ |
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| 9142. |
Prove that 7-2√3 is irrational number |
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Answer» Because this can not be write in the form of p/q Answer |
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| 9143. |
Insert commas suitably and write the name according to Indian system of numeration |
| Answer» 1,00,000 | |
| 9144. |
Chapter 18 statistics |
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Answer» Chapter 14 statistics 14.1 , 14.2,14.314.4 is deleted Chapter 15 |
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| 9145. |
Shown that x²-3 is a factor of 2x⁴+3x³-2x²-9x-12. |
| Answer» Quotient q(x) = 2x2 + 3x + 4 Remainder r(x) = 0 Since, the remainder is 0. Hence, x2 – 3 is a factor of 2x4 + 3x3 – 2x2 – 9x – 12Read more on Sarthaks.com - https://www.sarthaks.com/129312/by-actual-division-show-that-x-2-3-is-a-factor-of-2x-4-3x-3-2x-2-9x-12 | |
| 9146. |
Value of Sin 25⁰ |
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| 9147. |
HCF of 136 is? |
| Answer» Its 4 | |
| 9148. |
Find the area of sector of a circle with radius 6cm if angle of the sector is 60degree |
| Answer» Some applications of trigonometry | |
| 9149. |
64766 |
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| 9150. |
Exercise 3.4 3.5 3.6 solution |
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