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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.
| 34301. |
Prove that √2 is an irrational no. |
| Answer» Contradict that √2 is rational and√2 =a/b then square both sides , 2b2=a2 so a is divisible bt two then let a=2c where c is some integer . Now, 2b2=(2c)2= 2b2=4ç2 So,b2 = 2c2 and b is also divisible by 2 .since a and b are divisible by two , therefore they have common factor 2 | |
| 34302. |
Teach trinomentry |
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Answer» Around you all over u assume the right angled triangle That can be taught by a good teacher with which you can coordinate. |
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| 34303. |
Find the zeroes of |
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| 34304. |
Why a circle are similar |
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| 34305. |
If both zeros of quadratic polynomial ax+bx+ c are equal and opposite in sign find the value of b |
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Answer» Sum of zeroes = -b/ax+(-x)=0-b/a=0b=0×a×-1b=0 -a |
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| 34306. |
7 X 11 X 13 + 13 is a composite number |
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Answer» Yes 7*11*13+1313(7*11+1)as the no. can be represented as product of two numbers , so it is a composite no. Yes |
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| 34307. |
Eight class sixth. Three |
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| 34308. |
What is imaginary numbers |
| Answer» An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i² = −1. | |
| 34309. |
I am little confused in ex-1.1 4th number |
| Answer» It\'s very easy just you have to use Euclid\'s division lemma, a=bq+r where q=m , square and solve it | |
| 34310. |
1.3 Q no 3 |
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| 34311. |
(-)×(-)=(+)Proved this question |
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Answer» Wrong 4689 |
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| 34312. |
3x+2x=0 |
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Answer» 3x=0-2x(0-2x)+2x=0-2x+2x=0-0=0 0 |
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| 34313. |
When will be the result of 10th class exams 2018 |
| Answer» A1 or in percentage 97 | |
| 34314. |
Hero\'s formula |
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Answer» Let the side\'s of a triangle be a,b,cS=a+b+c/2Area of the triangle = {S(s-a)(s-b)(s-c)} whole to the power 1/2 or .5 Under root s(s-a)(s-b)(s-c) where s= semi perimeter of the triangle and a,b,c are the three sides of different measures S(s-a) (s-b) (s-c) |
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| 34315. |
Identi |
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| 34316. |
Express the square of any positive in the form 3m or 3m+1 |
| Answer» We know that a=bq+rSo 3 can be written in divided a=3q+rWhere 0<=R<3REMAIder can be,0,1,2Putting r=0a=3q+0a=3qSquare both sidea2=(3q)2a2=9q2A2= 3(3q2)A2= 3m where m= 3q2Then put r= 1 and 2ThanksNow do it yourself | |
| 34317. |
2(a+b) = |
| Answer» 2a+2b | |
| 34318. |
Solve : x & y √2x+√3y=0 & √3x-√8y=0 |
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| 34319. |
Find the zeros of polynomials of ax2+bx+c=0 |
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| 34320. |
5(a+b) |
| Answer» 5a+5b is the answer | |
| 34321. |
Find hcf of 378.180,420 byprime factorization |
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| 34322. |
2x square+x-5 |
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| 34323. |
Find HCF of 12576 and 4052 by Euclids division lemma |
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Answer» 4 The answer is 4 |
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| 34324. |
What is Euclid |
| Answer» Euclid is name of mathematician who have many theoram in maths | |
| 34325. |
If sin(A-B)=1/2,cos(A+B),0 degree |
| Answer» According to the question,\xa0{tex}\\sin (A - B) = \\frac{1}{2}{/tex}, therefore,\xa0{tex}A - B ={/tex} 30o ........ (1){tex}\\cos (A + B) = \\frac{1}{2}{/tex}, therefore, A + B = 60o ........ (2)Solving (1) and (2), we getA = 45o and B = 15o | |
| 34326. |
What is prime and composite number ? |
| Answer» A no which is divided by 1 or the no itself is called prime numberEx .. 3= 1x3A no which has two or more than 2 factors are composite numbers.Ex.. 4= 1x4 2x22 is only a even prime no.. | |
| 34327. |
1gm= |
| Answer» 0.001 kg | |
| 34328. |
Using prime factorization,find the HCF&LCM of 30,72,432 |
| Answer» HCF=6&LCM=2160 | |
| 34329. |
2x-46y8z |
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| 34330. |
What is a root |
| Answer» A real number x will be called a solution or a root if it satisfies the equation. | |
| 34331. |
Please solve this equationx^2+16x-45=0 |
| Answer» Solve it with formula method if you aren\'t getting an answer | |
| 34332. |
In which direction does the smoke of a train moves if the train moves from South to north |
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Answer» It is in the direction of air It is in the direction of air???? North to south so me will move From north to south South |
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| 34333. |
2 +2 +3 |
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Answer» 7 2+2+3=4+2+1 7 |
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| 34334. |
If k is a zero of polynomial x×x_ 100 x_20000 find value of k |
| Answer» K²-100k-20000=0 {as you told } So , on middle term splitting K²-200k+100k-20000=0K(k-200)+100(k-200)=0(K+100)(k-200)=0K=-100,200 | |
| 34335. |
Find the greatest 6 digit no. exactly divisible by 24,15 and 36 |
| Answer» frst find LCM of these no.and after divide it to 999999 after subtract remainder from 999999 yo get your and | |
| 34336. |
Sir/madam can u suggest me to maintain a timetable for class 110 |
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Answer» Sorry its class 10 U study in class110 |
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| 34337. |
What is a real number? |
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Answer» The combinatination of natural, whole ,integers,rational and irrational numbers are known as real numbers The combination of rational and irrational number are known as real number number consisting rational and irrational numbers are termed as real numbers Real no. Means the all kinnd ofor no. Like integers natural no. Whole no etc |
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| 34338. |
Vbxg |
| Answer» 2 | |
| 34339. |
What is perimeter of a cuboid |
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Answer» 2(lb+bh+hl) 6acube |
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| 34340. |
A square +B square =C square |
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| 34341. |
How is decimal expansion of rational no which is written in terminated decimal expansion done? |
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| 34342. |
cot2sin2=___ |
| Answer» 1 | |
| 34343. |
a3 +b3=35 and a+b=5 then find a and b.....?? |
| Answer» A=3 B=23cube + 2 cube27+8=35 | |
| 34344. |
Historical figure or diagram of chapter real numbers class 10th maths |
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| 34345. |
If P(x) : 24 |
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| 34346. |
2/x |
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| 34347. |
(m^2+3)x^2+23x+8 find value of m |
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| 34348. |
if sin60 |
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Answer» sin60 degree=underoot3/2 it will be root3/2 |
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| 34349. |
2522×5756 |
| Answer» 14516632 | |
| 34350. |
78393+362829 |
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Answer» 441222 441222 |
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