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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.
| 15401. |
EXPRESS THE TRIGONOMETRIC RATIOS sinA , secA and tanA in terms of cotA |
| Answer» tan A = 1/cot A, sin A = 1/cosec A = 1/ √ 1+ cot^2 A , sec A = √(cot^2 A+1) / cot A | |
| 15402. |
X€-dx€%667788^6 |
| Answer» What is ur question.. Yrr not understood!! | |
| 15403. |
If x^3+x^2+ax+b is divisible by x^2-x .find a and. b |
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Answer» x^2-x => x(x-1) are the factor of x^3+x^2+ax+b . Hence, 0 and 1 are the factor of x^3+x^2+ax+b . Put x=0 , we get, (0)^3 + (0)^2 + a×0 + b =0 => b= 0 . Put x = 1 , we get, (1)^3 + (1)^2 + a×1+ b = 0 => 1+1+a+0 = 0 ( after putting b=0) => 2+a=0 => a = -2. Give me full process a = 2 and b = 0 |
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| 15404. |
Solve for x and y. 37x+43y=123, 43x+37y=117 |
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Answer» So, y = 2 and x = 1 37x + 43y = 123 .......(1) , 43x+37y = 117....(2) , Adding equation (1) and (2) , we get, 80x + 80 y = 240 , x+y=3 ......(3) , Subtracting equation (2) from (1) , we get, -6x+6y = 6 , -x + y = 1 ........(4) , Adding (3) and (4) , 2y = 4 , y = 2 . Now, put the value of y in (3) , we get, x = 1. |
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| 15405. |
2k,k+10 and 3k+2 find the value of k |
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Answer» Aap ko 2 question s ke answer pta hai to. please bta do.. Uper valle maths ke question Thanks Assumption: They are in AP.2k, k+10, 3k+2A = 2kD = k+10 -2k also 3k+2 -k-10-k +10 = 2k -83k = 18k = 18/3k = 6 |
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| 15406. |
Algorithm define |
| Answer» A set of rules that must be followed when solving a particular problem | |
| 15407. |
Prove that root two is an irrational numbet |
| Answer» If possible let√2 be the rational no. In The form of. a/b where a and b are Co prime no.Now ,√2= a/b.Squaring both side.(√2)2 = a2 / b2..2 = a2/b2...b2= a2/2 ...So, 2a is divisible by 2 so, a is divisible by 2(by theorm). Now let a=2cSo . b2 =( 2c)2/2 ...b2= 4c2/2. ..b2= 2c2...b2/2= c2..Hence, ...B2 is divisible by 2 so, B is divisible by 2(by theorm)....Hence our contradiction is wrong and√2 is irrational ....proved.... Here, a2 = a square... | |
| 15408. |
Prove that root two is irrational number |
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| 15409. |
Given: in a right angle triangle right angle at C To find: Sec(A+B) |
| Answer» Undefined. Because sum of angle A and B will be 90 due to the angle sum property of triangle. Then sec90 will be undefined | |
| 15410. |
What is the sum of all natural numbers 1+2+3+4+5+........ To infinite ? |
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Answer» Infinite Cannot be defined Sn= n/2 { 2a +( n-1)d } where n= no of terms , a = first term, and d= common difference between second term and first term. n{n+1}/2 -1/12. Hahah |
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| 15411. |
Add 8 8times when it came 1000 |
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Answer» 125 888 + 88 + 8 + 8 + 8 = 1000 125 times we want to add 8 to 8 and then it will come 1000 |
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| 15412. |
The distance of the point P(4,-3) from the origin is |
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Answer» 5 Units. 5 units. |
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| 15413. |
Prove the given formulas :(i) SinA= P/H(ii) CosA=B/H(iii) tanA=P/B . |
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| 15414. |
How globalization result in development of countries |
| Answer» Globalisation led to movement of capital labour and good to exchange other goods or services. Due to this unemployed workers will get work and some new work will be provided to poor people. It also makes the knowledge to travel new techniques new crops which led to development of country | |
| 15415. |
The sum of the zeroes of the polynomial 2x^-8x+6 is |
| Answer» 4 | |
| 15416. |
3cotA=4 |
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Answer» Yes it is incomplete but i guess i know this question. 3cotA=4CotA=4/3Cot A=adjacent/oppositeTherefore,In a ∆ABC,IF AB is perpendicular and AC is hypotenuse and BC is base then,Adjacent= 4 and opposite = 3Then you can find the value of the hypoteneuse by Pythagoras theorem. (AC)Sq.= (BC)Sq. + (AB)Sq. = (3)Sq. + (4)Sq. = 9 + 16 (AC)Sq = 25Removing the Sq. We get, AC=√25 AC=5Hope it helps you. However it seems like the question was incomplete. I Rahul, ur question is incomplete |
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| 15417. |
2x + y = 7 4x - 3y + 1 = 0 |
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Answer» 2x + y = 7 .....equ (i)and4x-3y+1=0.......equ(ii)Elimination method: in this method we eliminate one of the variable (ie, x or y) and reduce the equation into one variable equation and thus find the solutionLet\'s begin !step: 1Multiply the equation 1 by two so as to make the the coefficient of x same in both equation=>2(2x+y=7)or, 4x+2y=14.........equ(iii)Step: 2Subtract the two equations ie, (equiii and equ ii.=> 4x +2y=14 ....equ iii4x-3y=-1 .... equ ii..............................................We get, 5y= 15or, y=3{tex}\\boxed{y=3}{/tex}step: 3substitute it in equ ii4x-3y=-1=> 4x -3 (3) = -1or, 4x - 9= -1or, 4x=-1+9or, 4x=8or,x=8/4or,x=2{tex}\\boxed{x=2}{/tex}\xa0 Or Evaluation method Use elimination method |
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| 15418. |
The rational number between √2 and √3 |
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Answer» 1.5436874347.... There r many rational no. b/w √2 and √3..like 1.415 , 1.416 , 1.417 , 1.532 , 1.582 , 1.60 , 1.62 , 1.70 , 1.72 , etc. |
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| 15419. |
Plz anyone solve the Ex-13.1 (Q.5) |
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Answer» U can see it from this app only Ur ans :--1/4 L^2 (pie + 24) |
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| 15420. |
Find the distance of point P(-3,-4) from x axis (in units) |
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Answer» 4units 3 |
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| 15421. |
What is the sum of natural numbers 1+2+3+4+5+........... |
| Answer» Sn= n/2.{2a +(n-1)d}. ,, Here n = no of terms.And,A= first term | |
| 15422. |
Ex- 13.4Q no. 4 |
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Answer» Wlcm ? It\'s solved Thanks Yrr send the question |
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| 15423. |
The ratio of sum of first n terms of two A P s is n+7/3n+1. Find the ratio of their 7th term |
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Answer» What is gene? 1/2 |
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| 15424. |
159%............=15900 |
| Answer» 159℅ of 10000 = 15900 | |
| 15425. |
Define euclids algorithm |
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Answer» Honey Nothing Ok M only fb use karta hu No Who r u? What You also Wlcm Thanks It is a technique to compute the Highest Common Factor (HCF) of 2 given positive integers. Recall that the HCF of 2 positive integers a and b is largest positive integer d that divides both a and b. |
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| 15426. |
If p (x)=x2+5x +2then p (3)+p(2)+p (0)is |
| Answer» 16 | |
| 15427. |
Why we take b^2- 4ac as discriminant why we don\'t take other as a discriminant |
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| 15428. |
Ncert question 15 of ch9 |
| Answer» Answer is 3 second.If you want explanation then you tell me | |
| 15429. |
Ncert question 15 |
| Answer» | |
| 15430. |
(5x+2.15) /3 =4x+60x= |
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Answer» Results 5 diya hai kaise 30/187 |
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| 15431. |
159%...........=15900 |
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Answer» Results 0.01 diya hai of 10000 |
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| 15432. |
159%__=15900 |
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| 15433. |
Class 0-20 20-40 40-60 60-80f. 15. 6. 18. 10Find mode |
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Answer» 346 |
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| 15434. |
Sin^2 33+sin^2 57 |
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Answer» 1 Explanation of answer: ●sin^2 33° + sin^2 57°● sin^2 33° + sin^2( 90-33 )°● sin^2 33° + cos^2 33°●1 1 |
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| 15435. |
what is the formula for distance |
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Answer» D=t × s Speed × time = distance √(x2- x1)^2 + ( y2 -y1)^2 D= √(x^2-x^1)^2 + (y^2-y^1)^2 |
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| 15436. |
What is refining of metal |
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Answer» The process of purifying impure metal is called Refining of metal Purification of metal or extraction of metal from its oxide is called refining |
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| 15437. |
Cosec^2A -cot^2A= |
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Answer» Question urself and answer urself ? Yeah 1 |
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| 15438. |
Hcf of 400 and 200 |
| Answer» 400=2⁴×5². 200=2³×5².Hcf= 2³×5²=8×25= 200.Hcf=200 | |
| 15439. |
(–5,7) (–1,3) |
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| 15440. |
Continue thw sequence 0,2,24,254____ |
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Answer» 5^5-5 = 3120 4^4 -4 = 252 3^3-3 = 24 2^2-2 = 2 1^1-1 = 0 I think it\'s 252 not 254 ... .Then, the next number will be 3120. |
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| 15441. |
Sin-cos+1/sin+cos-1=1/sec-tan prove that |
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| 15442. |
GOOD EVENING FRIENDS!! |
| Answer» Hlo | |
| 15443. |
If HCF of 144 and180 is expressed inthe form of 13m - 16 .find the value of m |
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| 15444. |
1/cosec+cot-1/sin=1/sin-1/cosec-cot |
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| 15445. |
Cubic polynomial has at least one zero .true or false |
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Answer» False cubic polynomials must have 3 zeros It\'s true A cubic polynomial can have at most 3 zeroes and at least 1 zero....therefore,this statement is True? |
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| 15446. |
Value of √3 |
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Answer» Hello 3 ☺️☺️ Aap janiye kaisi baat h☺☺☺ I came 1.732 Aap toda 20 min wait karengi kyoki mujhe dresing karana h plz Hello 1.73..? |
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| 15447. |
How much time is suitable for maths revision per day |
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Answer» 2 hours Atleast 2½ hours per day is enough!? |
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| 15448. |
The area in a circular home is 45cm .find the diameter and semi circle |
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| 15449. |
How to prove csa of cone |
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| 15450. |
(x+y)² |
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Answer» (x+y)(x+y)Or,x^2+ y^2 + 2xy x²+2xy+y² X2+2xy+y2 |
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