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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.
| 13151. |
If x= acute , then find under root 1+sinx÷1-sinx? |
| Answer» 1+sin x /cos x | |
| 13152. |
Express cosA in terms of cotA |
| Answer» tan A =\xa0{tex}=\\frac{1}{\\cot A}{/tex}{tex}\\Rightarrow{/tex}\xa0tan2\xa0A =\xa0{tex}\\frac{1}{\\cot ^{2} A}{/tex}{tex}\\Rightarrow{/tex}\xa0sec2\xa0A - 1 =\xa0{tex}\\frac{1}{\\cot ^{2} A}{/tex}{tex}\\Rightarrow{/tex}\xa0sec2\xa0A =\xa0{tex}\\frac{1}{\\cot ^{2} A}{/tex}+1{tex}\\Rightarrow{/tex}\xa0sec2\xa0A =\xa0{tex}\\frac{1+\\cot ^{2} A}{\\cot ^{2} A}{/tex}{tex}\\Rightarrow{/tex}\xa0sec A =\xa0{tex}\\sqrt{\\frac{1+\\cot ^{2} A}{\\cot ^{2} A}}{/tex}{tex}\\Rightarrow{/tex}\xa0{tex}\\frac{1}{\\cos A}=\\sqrt{\\frac{1+\\cot ^{2} A}{\\cot ^{2} A}}{/tex}{tex}\\Rightarrow{/tex}\xa0cos A =\xa0{tex}\\sqrt{\\frac{\\cot ^{2} A}{1+\\cot ^{2} A}}{/tex}\xa0{tex}=\\frac{\\cot A}{\\sqrt{1+\\cot ^{2} A}}{/tex}{tex}\\therefore{/tex}\xa0cos A =\xa0{tex}\\frac{\\cot A}{\\sqrt{1+\\cot ^{2} A}}{/tex} | |
| 13153. |
Anyone from you is following reliable or not |
| Answer» | |
| 13154. |
By what number should 278 be divided to get 12 as quotient and 2as reminder |
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Answer» 23 (278=g (x)×12+2 23 |
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| 13155. |
If cosec A =2,find the value of 1/tan A +sins/1+cosA |
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Answer» 1/sinA=2sinA=1/2A=30 Want to know the process 2 ZEE I NZwZzn |
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| 13156. |
If the area of triangle is 0 square units then vertics of triangle are |
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Answer» 0 Collinear |
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| 13157. |
Formula of mean, median and mode |
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Answer» Mean=sum of all the observation/Total no. Of observation. {Median=(n+1/2)" when the observation is odd" and" when even" (n/2+) ,(n/2).} { Mode= an observation with maximum frequency is mode} Mode=3 median - 2 mean |
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| 13158. |
If the area of triangle us 0 square units then the vertics of a triangle are |
| Answer» Colinear | |
| 13159. |
LCM of 6,72,and120 |
| Answer» 2×2×2×3×3×5=360 | |
| 13160. |
if (ax)2 +bx +c =0 has equal roots . what is the value of c |
| Answer» C=b^2/4a | |
| 13161. |
1/2a+b+2x=1/2a+1/b+1/2x find x |
| Answer» X= -a and x= -b/2 | |
| 13162. |
A dice thrown once . What is the probability by that the score is factor 6? |
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Answer» 2/3 Favourable outcomes -1,2,3 ,6 ... probability = 2/3 1/6 |
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| 13163. |
Imp question polynomials |
| Answer» Polynomial is Soo easy chapter | |
| 13164. |
Height 9 length 19 breadth 13 find area |
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Answer» What to find specify TSA or CSA. |
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| 13165. |
Please please answer all that how much % u all r aiming for.? |
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Answer» 90% 85% Above 90% 90/: 200 90% |
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| 13166. |
Sir this time strict correction or easy going |
| Answer» Easy.We all hope .☺ | |
| 13167. |
for any positive integer n prove that n cube minus n is divisible by 6 |
| Answer» Take A as a postive integer and b=6 for some integer qThen , A can be 6q, 6q+1,6q +2, 6q +3 ,6q +4, 6q +5 Now , put each value in n3-n And you find that after solving each is divisible by 6 so , n3-n is divisible by 6 | |
| 13168. |
If (0,0), (5,0), and(x, y) are the vertices of an equilateral triangle. Find x and y |
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Answer» Use distance formula for this question Use graphical method to solve this question or use a graph paper |
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| 13169. |
Is justification is important in construction?? |
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Answer» Justify if asked No The justification is most important construction because examiner not justify how the person made the construction and he cannot understand from where they started that for that justification the man should be edit it If questify asked to justify then justify Yes |
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| 13170. |
My all chapter of revision |
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Answer» 10 saal baad On 28 feb 10th ka exam kB h. |
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| 13171. |
Hello everyone maths ka tayari kaisa chal Raha h |
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Answer» Mera bhi Jabardast |
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| 13172. |
Sir in mathematics does every question comes from ncert book in board exam or from something else! |
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Answer» Most of questions come from ncert .not al !! There is no one whom you can call sir All question will come from ncert book and exampler No question will come from other additional book except -2or3 questions Also from ncert exampler... No from rd |
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| 13173. |
Mera abhi 7 chapter hi prepare ho paya hai ? what could I do only 3 days left |
| Answer» Mera to who bhi nhi hua | |
| 13174. |
Solving trigonometric identities |
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Answer» Hint solve both sides and get cos Prove that sinA/cotA+cosecA=2+sinA/cotA-cosecA |
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| 13175. |
Yrr paper ncert ke bahar bhi aa sakta hain ?? Apne opinions and reasons btao plz .. Im too worried.. |
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Answer» 70% ncert Se aaega or 30% questions baharbse aa skte h Tension manya le NCERT k bhitar SE hi aawega it\'ll be based on n.c.e.r.t b\'cause this is 1st batch to go to the boards is liye paper ncert based hi aa rhe h Ha..lakin kuch ques tode tricky ho skte h.. Maximum ques NCERT se hi aayenge Nhi aaiga .. bcoz abhi tk k saare papr NCERT based hi aaye h ?? |
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| 13176. |
Please explain the example 5 of chapter 9. I am not able to understand . |
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Answer» Aapke kitne chapters ho Gaye?? Hmm 7 Kitne chapters hue Hlo Hi ritu Hiiii Hii It\'s easy...read the question carefully and then try to solve it |
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| 13177. |
What is complementary event in probability |
| Answer» Only two possible outcomes of an event | |
| 13178. |
What is compartment criteria for class 10 2018 ?? |
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Answer» First time and last time you can say ! I think iss baar sbko pass to kr denge suna h ki strict checking nii hogi kyoki pelii baar h naa |
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| 13179. |
How was sst exam???? |
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Answer» Aag laga de aag laga dr Chup bc Mast? |
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| 13180. |
Find the coefficient of x^0 in x^2+3x +2 |
| Answer» | |
| 13181. |
Anyone can tell me what is the and of 3 question of 5.4 ncert (350 or 385) |
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Answer» Thanks neetu 385 |
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| 13182. |
Kitne kitne chapter lg gaye sbke??? |
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Answer» Ek bhi ni ? 15 9 |
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| 13183. |
Kitne chapter ho gaye abhi tak ? |
| Answer» 5 | |
| 13184. |
The decimal expansion of 17/8 will terminate after how many places of decimals. |
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Answer» Terminate and decimal expansion 2.125 After 3 palces 7 hi huee h with examples |
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| 13185. |
What is \'a\' in assume mean method |
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Answer» a = assumed mean Kuch nii |
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| 13186. |
7,13,19,... is 205 |
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Answer» 34th term AP |
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| 13187. |
Which chaprer i should prepare best from all |
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Answer» Number system,Constructions and Probability, Statistics .Also lenear equation Trigonometry all chapters...whole book |
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| 13188. |
Rood2+rood3 irrational prove keise krenge |
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Answer» Let it equal to a/b ...Now square both side...then 2+3+2✓6=a²/b² will come...now prove that ✓6 is irrational .....then write ✓2+✓3 is also Dono saath mein hote hai to alag tarika hota hai prove karne ka 1st...assume it is rational number now check page number 12..theorem 4....then ask |
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| 13189. |
How 2/root 2is irrational |
| Answer» It is a fact | |
| 13190. |
Most difficult subject |
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Answer» Mathematics last 4 days of studying maths never going to take this subject anymore Maths and sst Maths sst Geography Science Haaaa Art & craft |
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| 13191. |
Which is the most difficult chapter 4 u in maths. |
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Answer» Quadratic equations and triangles Linear eqn in two variable....word eqn Koi nhi Statistics n for u? Triangles Surface...... Polynomials S area and volume Probability... |
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| 13192. |
Lcm of 1452 |
| Answer» | |
| 13193. |
1452 of hcf |
| Answer» | |
| 13194. |
Which type of questions will come in class 10 paper 2018 is it ncert or rd. |
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Answer» NCERT based question NCERT evergreen 100% sample paper Together with |
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| 13195. |
what is locus? |
| Answer» | |
| 13196. |
(100-100) /(100-100)=2 sorry that question is wrong |
| Answer» Apply square difference on numerator.And take 10 common from denominator.Expand the numerator formula. you got 10+10 and 10-10 on numerator.and 10(10-10). On denominator.on cancelling you get 10+10 on numerator and 10 on denominator now you get yourns | |
| 13197. |
Find S20 and t20 whose nth term of AP is tn=7-4n |
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Answer» Thanks sir ji Tn=7-4n..T1=7-4(1)...T1=3 means first terms is 3 and ..T2=7-4(2)...T2=--1 ....so common difference is -1-3=-4 ...Now find yourself what is S20 and T20 by formula Nhi ho rha S20 nhi aa rha put value of n |
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| 13198. |
What is the trick to solve the last exercise of chapter 8 ? |
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Answer» 6 4 My,also 1 How many chapters you had prepared |
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| 13199. |
Show that one and only one out of n, n+2,n+4is divisible by 3 where n is any positive integer |
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Answer» n=3q+r where 0 see cbse sample paper of this year in this app |
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| 13200. |
If cosA- sinA= 1, prove that cosA+ sinA=+-1 |
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Answer» Question correct h Given....cos²+sin²-2sincos=1..... Cos²+sin²-2sincos=sin²+cos because(1=sin²+cos)..... 1-2sincos=sin²+cos².. 1=sin²+cos²+2sincos.... 1=(sin+cos)²... +-1 =sin+cos Question is wrong |
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