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InterviewSolution
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.
| 38001. |
How may parllel tangents can a circle have? |
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Answer» Infinity Infinite 2️⃣ 2 |
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| 38002. |
11.2 |
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Answer» ?? ❓❓❓ |
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| 38003. |
Cosec Thita + sec Thita = Cosec Thita × Sec ThitaProve that |
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| 38004. |
Theorem 6.1 class10 |
| Answer» If a line is drawn parallel to one side of triangle intersect two sides at two distinct points of triangle is parallel to third side | |
| 38005. |
What is mean,mode and median? |
| Answer» Average | |
| 38006. |
Sin theta + cos theta =root 2 cos theta (theta not=90) find the value of tan theta |
| Answer» >Sinθ +Cosθ = √2 Cosθ>(Sinθ+Cosθ)/Cosθ=√2>(Sinθ/Cosθ)+(Cosθ/Cosθ)√2>tanθ+1=√2>tanθ=√2-1. answer | |
| 38007. |
if zeroes of aquadratic polynomial (k-1)x^2+kx+1 is -3 then find value of \'k\'. |
| Answer» Hlo | |
| 38008. |
The family has 3 children , what is the probability of at least one boy |
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Answer» 7/8 1/3 7/8 1/3 |
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| 38009. |
If HCF of 144 & 180 is expressed in the form of 13m-16 .Find the value of m. |
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Answer» Value of m is 4 HCF of 144 & 180 is 3636=13m - 16 _______ 36+16= 13m ________52=13m ______ 52/13=m _______ 4=m |
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| 38010. |
A man goes 10m due east and then 24m due north find the distance from starting point |
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Answer» first draw the figure how the question is saying and when you complete figure there will be you should make a hypotenuse triangle and from there you can find the answer I think 17 What is the correct answer The distance from starting point is 26 |
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| 38011. |
Find tha relation between p(x,y) is equidistant from A(3,6) and B(-3,4) |
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| 38012. |
Rationalize the denominator of 1/cube root of 3 - square of 2 |
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Answer» Reply me fast -2² is in denominator? |
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| 38013. |
tan(A-B) =tanA-tanB /1+tanA.tanB where A=B=60 degree |
| Answer» Done | |
| 38014. |
Which types of question may be come in exams |
| Answer» Which subject?? | |
| 38015. |
Give me concept regards circle chapter |
| Answer» | |
| 38016. |
Object formula |
| Answer» 1/u | |
| 38017. |
If the quadratic equation x square -2x + k = 0 has equal roots then value of K is |
| Answer» Since , the equation have equal roots => b^2-4ac=0=> (-2)^2 - 4×1×k=0=> 4-4k=0=> -4k=-4=> k=1 | |
| 38018. |
8*8/8(8) |
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Answer» 64 64 |
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| 38019. |
Difference between natural number and whole number |
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Answer» Natural numbers:- 1,2,3,4,...... So on.Whole numbers:- 0,1,2,3,4,......so onNumbers starting from 1are natural numbers and numbers starting from 0 are called whole numbers Natural numbers starts with 1 means 1,2,3,4,.........Whole numbers starts from 0 means 0,1,2,3,4,.......... |
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| 38020. |
If m=cosA-sinA and n=cosA+sinA, then show that √(m/n) + √(n/m)= 2/√1-tan^2A |
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Answer» J3i Alpha brya |
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| 38021. |
Whta is probablity |
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Answer» Chance happening a event. Ye emoji change krdo ya bta do kya ho gya.. Ankesh shi hh ya nhi.... ?? Kuch nhi sahil ji Kya hua aap ko Hello payal ji.. Ab kisine kya kh diya..... Ya pir udas kyo ho Hii shreya ji... ?? Occurence* Probability is a concept which numerically measures the degree of certanity of the occyrence of events. |
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| 38022. |
11/ 2×2×2×5 ?? |
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Answer» 0.275 110 11/2to the power 3 ×5=0.275The highest power in the dinominator is 3 so it will terminate after 3 no.s Use bodmas rule, u will get 110 answer. 0.275 is ri8 ans. .. thx all guys? 110.. Is the answer 110 3.63 110 it\'s right answer 0.275 |
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| 38023. |
The LCM of smallest two digits composite number and smallest composite number is ?? |
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Answer» Two digit smallest composit number is 12. And smallest composit number is 4 so the HCF is 4 2 Thx ... Yrr?? Smallest two digit no is 10 Smlest one digit no eis 4 So, LCM is 20 4 |
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| 38024. |
The distance of the point p(-3,-4) from the x- axis (in units ) is |
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Answer» Thx ...yogita ? When we are asked to calculate the distance between a point and any of the axes, we calculate the perpendicular distance between them.Therefore, the point (-3,4) is 3 units away from the y-axis and 4 units from the x-axis. This is because in case of either axes the co-ordinate of the other axis is zero.Therefore the distance between the point P(-3,4) and x-axis is 4 units. |
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| 38025. |
Given that sin £=√3/2 and cos ¢=0 , THEN the value of £-¢ is ?? |
| Answer» -30 | |
| 38026. |
The decimal representations of 11/40 |
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Answer» 0.275 0.011 |
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| 38027. |
HCF of 25 and 91 is |
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Answer» \tFind the prime factorization of 25\t25 = 5 × 5\tFind the prime factorization of 91\t91 = 7 × 13\tTo find the HCF, multiply all the prime factors common to both numbers:\t\tTherefore, HCF = 1 HCF will be 1 |
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| 38028. |
What are the use for trignometry in our life |
| Answer» It is used by architecture,engineer for constructing roadways , bridge etc... | |
| 38029. |
The sum of the root of the quadratic equation 3x square +4x square = 0 is: |
| Answer» It\'s formula Sa. Ho ga d=b2-4ac | |
| 38030. |
111111*111111 |
| Answer» 12345654321 | |
| 38031. |
Which term of the AP 21, 18,15, .... is -81 |
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Answer» 35th term 35th term |
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| 38032. |
Find the 20 term for from the last term of the AP 3 8 13 253 |
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Answer» Given series is 3, 8, 13, ...... 253here, first term , a = 3common difference , d = 5Let us find total number of terms at first.use\xa0=> 253 = 3 + (n - 1)5=> 250 = 5(n - 1)=> n - 1 = 50=> n = 51so, there are 51 terms in given series.now we know, mth term from last =last term - mth term + 1so, 20th term from last = 51 - 20 + 1 = 32hence, 20th from last = 32th term from firstuse ,\xa0= 3 + 31 × 5 = 3 + 155 = 158hence , 20th term from last = 158 158 98 |
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| 38033. |
Three vertices of llgm ABCD are A(-2,3) B(6,7) C(8,3) find the ver |
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| 38034. |
To verify the basic proportionality theorem using parallel line board and triangle cut outs |
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| 38035. |
Please send imp question for chapter 1 2 3 4 5 6 7 8 |
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| 38036. |
What is cube |
| Answer» | |
| 38037. |
Define thales theirem |
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Answer» Basic Proportionality Theorem was first stated by Thales, a Greek mathematician. Hence it is also known as Thales Theorem. Thales first initiated and formulated the Theoretical Study of Geometry to make astronomy a more exact science. What is this theorem that Thales found important for his study of astronomy? Let us find it out.Basic Proportionality Theorem (can be abbreviated as BPT) states that, if a line is parallel to a side of a triangle which intersects the other sides into two distinct points, then the line divides those sides in proportion.Basic Proportionality TheoremIn the figure alongside, if we consider DE is parallel to BC, then according to the theorem,ADBD=AECELet’s not stop at the statement, we need to find a proof that its true. So shall we begin?PROOF OF BPTGiven: In ΔABC, DE is parallel to BCLine DE intersects sides AB and PQ in points D and E, such that we get triangles A-D-E and A-E-C.To Prove: ADBD=AECEConstruction: Join segments DC and BEProof:In ΔADE and ΔBDE,A(ΔADE)A(ΔBDE)=ADBD (triangles with equal heights)In ΔADE and ΔCDE,A(ΔADE)A(ΔCDE)=AECE (triangles with equal heights)Since ΔBDE and ΔCDE have a common base DE and have the same height we can say that,A(ΔBDE)=A(ΔCDE)Therefore,A(ΔADE)A(ΔBDE)=A(ΔADE)A(ΔCDE)Therefore,ADBD=AECE If a line is drawn parallel to 1 side of a traingle to intersect the other 2 sides in distinct point, then the other 2 sides are divided in the same ratio. |
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| 38038. |
tanA/1+secA-tanA/1-secA=2cosecA |
| Answer» LHS = tanA/1+secA-tanA/1-secA = tanA-tanAsecA-(tanA+tanAsecA)/1^2-sec^2 = -2tanAsecA/-tan^2 [tan^2+1=sec^2] = 2secA/tanA =2cosecA | |
| 38039. |
cosec(4a)=sec(a-20) find the value of a. |
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Answer» Cosec(4A)=Sec(A-20)Cosec(4A)=Sec{90-(A-20)}Cosec(4A)=Cosec(90-A+20)Cosec(4A)=Cosec(110-A) 4A=110-A 5A=110 A=22 Solved.... cosec(4a)=sec(a-20)sec(90-4a)=sec(a-20)90-4a=a-20-4a-a=-20-90-5a=-110a=22 A=22 Cosec (4a) = cosec (90-(a- 20))......... Cosec (4a) = cosec (110 - a)......... (4a) = 110-a...... 5a=110..... a= 22...... Hope it will help u.... 22 |
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| 38040. |
sin⁴A -sin²A = cos⁴A - cos²A |
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Answer» LHS= Sin^4A- Sin^2A Taking Sin^2A common we get, Sin^2A( Sin^2-1) (1-cos^2A) (-cos^2A) On multiplying we get, -Cos^2A + Cos^4A Cos^4A - Cos^2A Hence proved. Lhs........... So...... Sin⁴a -sin²a =====(1-cos²a) ² - 1- cos²a........ 1- cos⁴a -1-cos²a...... Cos⁴a -cos²a.... Hence proved. .. Ye prooff krna hhh n |
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| 38041. |
Find the 10th term of the AP : 2 , 7 , 12 |
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Answer» A=2D=5T10 = A+(n-1)D 2+9*5 2+45 47 A=2,d=5,n=10 an=?By using this formula,,an=a+(n-1)d=2+(10-1)5=2+(9)5=2+45=47 47 a=2, d=5 , T10=?we know,Tn= a+(n-1)dT10=2+(10-1)5 =2+9*5 =2+45 =47 a=2d=t2-t1=7-2=5n=10T10=a+(n-1)d =2+(10-1)5=2+45=47 47 Hiii 47 |
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| 38042. |
Cot=7/8,evaluate:. (1+sin)(1-sin)/(1+cos)(1-cos) |
| Answer» cot=7/8(1+sin)(1-sin)/(1+cos)(1-cos)=1^2-sin^2/1^2-cos^2=cos^2/sin^2 [sin^2+cos^2=1]=cot^2=(7/8)^249/64 | |
| 38043. |
A n is equal to 6 n plus 5 then a n plus 1 is equal to |
| Answer» An=6n+5 An+1=6n+5+1 =6n+6 | |
| 38044. |
Why may i not multiply with 0 both sides in trigonometric identity to equal rhs and lhs |
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Answer» No, we can\'t multiply with 0. We can\'t equate a problem by multiplying 0 on both side because, when We multiply a number on both side, The division of both the number should be equal to 1. For example;. 3x+y=k. If we multiply 0 by both side. 0(3x+y)=0k. Here the division of 0 by 0 is undefined in maths .0/0 is indeterminate means it can\'t be defined |
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| 38045. |
If cosA-sinA=√2 sinA prove that cosA+sinA=√2sinA |
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Answer» No it is not wrong Please check your question. I think it\'s wrong??? |
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| 38046. |
How can we find quadrants of an equations? |
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Answer» By finding the value of x and y If equation is x+y=2 then how can you find thier quadrant? By findind the value of ordinate and abscissa i.e.(x,y) |
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| 38047. |
Why any number when divided by 0 gives \'\'not defined\'\'. |
| Answer» Because if multiply anything with 0 we will always get 0 Like 10/5 = 5+5/5= 5/5+5/5= 1+1=2But 10/0 we cant express in the form of zero There will be infinite zero . Thats why we say its not defined | |
| 38048. |
What is rational number?. |
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Answer» Number in the form of p/q where q is not equal to zero...and p and q are integers. The numbers of the form p/q ,where p and q are integers, and q is not 0 are called rational no. The number written in the form of p/q , where p and q are integers and q isn\'t equal to 0. No. Which we can write in the form of p/q wher p and q are integers and q is not equal to 0 Those nos that can be expressed as questient or fraction p/q of 2 integers |
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| 38049. |
If the sum of first 7term of an AP is 49 and that of 17term is 289 , find the sum of first n terms |
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Answer» n2 Given that,S7\xa0= 49S17\xa0= 289S7\xa0=\xa07/2\xa0[2a\xa0+ (n\xa0- 1)d]S7\xa0= 7/2\xa0[2a\xa0+ (7 - 1)d]49 = 7/2\xa0[2a\xa0+\xa016d]7 = (a\xa0+ 3d)a\xa0+ 3d\xa0= 7 ...\xa0(i)Similarly,S17\xa0= 17/2\xa0[2a\xa0+ (17 - 1)d]289 = 17/2 (2a\xa0+ 16d)17 = (a\xa0+ 8d)a\xa0+ 8d\xa0= 17 ...\xa0(ii)Subtracting equation\xa0(i)\xa0from equation\xa0(ii),5d\xa0= 10d\xa0= 2From equation\xa0(i),a\xa0+ 3(2) = 7a +\xa06 = 7a =\xa01Sn\xa0=\xa0n/2\xa0[2a\xa0+ (n\xa0- 1)d]=\xa0n/2\xa0[2(1)\xa0+ (n\xa0- 1)\xa0× 2]=\xa0n/2 (2\xa0+ 2n\xa0- 2)=\xa0n/2 (2n)=\xa0n2\xa0 |
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| 38050. |
RS AGGARwal chapter 12 Trigonometric ratio of complementary angle exercise solution |
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