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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.
| 40401. |
1+22+333+4444+55555+666666+7777777+8888888£+999999999+0000000000 |
| Answer» 1,097,393,685 | |
| 40402. |
Explain whether the number 3×5×13×46×23 is a prime number or a composite number |
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Answer» We can write it as 3×5×13×46×23 as the factor of more than one number thus it is a composite number Composite |
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| 40403. |
If area of a semicircular field is 30800 sq m then find its perimeter. |
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Answer» Which answer is right for above question 440m or 720m Area of semi circle = π r² /2⇒π r² /2 = 30800⇒ r² =61600/π =19600so, radius, r = 140 cmnow perimeter = 2π r/2 = π r =π ×140 = 440 m∴perimeter = 440 m\xa0 720cm |
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| 40404. |
Who can help me in my studies? |
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Answer» Well we all will help you in yoir studies but you only have to do everyday practice which make you a big sucessfull person ... ?? You self. Because If you want better study so, you have done all muskile |
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| 40405. |
find the side of the square whose diagonal is 16cm |
| Answer» In square all the four sides are equal in LengthSo let length be xEvery angle is right angleby hypotenusex 2 + x 2 = 162x2 = 16x2 = 8x = 2√ 2 cm | |
| 40406. |
4/x + 3y=86/x - 4y=-5 |
| Answer» My taking 1/x= a Equation becomes 4a+3y=8. and. 6a- 4y =-5By solving by elimination methodWe\'ll havey=2 & x =2/7 | |
| 40407. |
Vhuuk |
| Answer» | |
| 40408. |
Apne science ko hindi me kr rakha h kya ap maths hindi me nhi kr skte plZ |
| Answer» | |
| 40409. |
Konsa sample paper best h |
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Answer» Ss K like oswalScience K liye lakhmir Arihant? |
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| 40410. |
Maths m extra book k lia kya RD sharma jruri h kya...... Kya sirf NCRT hi thik h |
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Answer» But rd sharma is the best refrence book Ncert is best for board exam specially examples |
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| 40411. |
A metallic sphere of radius 4.2cm is melted |
| Answer» Then what | |
| 40412. |
EXPRESS theHCF/GCD of 48 and 18 as a linear combination |
| Answer» Let us find HCF of 48 and 18{tex}48 = 18 \\times 2 + 12{/tex}{tex}18 = 12 \\times 1 + 6{/tex}{tex}12 = 6 \\times 2 + 0{/tex}Hence HCF (48, 18) = 6Now, 6 = 18 - 12\xa0{tex}\\times{/tex}\xa016 = 18 - (48 - 18\xa0{tex}\\times{/tex}\xa02)6 = 18 - 48\xa0{tex}\\times{/tex}\xa01 + 18{tex}\\times{/tex}26 = 18\xa0{tex}\\times{/tex}\xa03 - 48\xa0{tex}\\times{/tex}\xa016 = 18\xa0{tex}\\times{/tex}\xa03 + 48\xa0{tex}\\times{/tex}(-1)i.e., 6 = 18x + 48y ........ (1)where x= 3, y = -1{tex}\\therefore{/tex}\xa06 = 18\xa0{tex}\\times{/tex}\xa03 + 48\xa0{tex}\\times{/tex}\xa0(-1)= 18\xa0{tex}\\times{/tex}\xa03 + 48\xa0{tex}\\times{/tex}\xa0(-1) + 18\xa0{tex}\\times{/tex}\xa048 - 18\xa0{tex}\\times{/tex}\xa048= 18(3 + 48) + 48(-1 - 18)= 18\xa0{tex}\\times{/tex}\xa051 + 48\xa0{tex}\\times{/tex}\xa0(-19)6 = 18x + 48y ...... (2)where x = 51, y = -19Hence, x\xa0and y are not unique. | |
| 40413. |
If f(x) = x6- 10x5- 10x4- 10x3- 10x2- 10x + 10, the value of (11) is |
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Answer» P Please anybody solve it?? |
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| 40414. |
Example 15 ofIntroduction to Trigonometry |
| Answer» | |
| 40415. |
What is definition of distance formula |
| Answer» The distance between the two points in a Cartesian plane | |
| 40416. |
Find the first term if a5_a3=4 |
| Answer» a=-8 | |
| 40417. |
(x-2)(x+1)=(x-1)(x-3) |
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Answer» (x-2)(x+1)= (x-2)(x-3). Xsq-x+2=xsq-4x+3 solve it ? X=5/3=1.6666666666666 x2 +1x-2x-2 =x2-3 |
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| 40418. |
If cosec theta +cot theta =p then prove that cos theta =p2 -1/p2+1 |
| Answer» ΞStep 1Ξ Put value of p in RHS i.e. (cotθ+cosecθ)^2-1/(cotθ+cosecθ)^2+1➡➡➡➡➡ΞStep 2Ξ Open whole squares in numerator nd denominator➡➡➡➡➡ΞStep 3Ξ Put {{{cosec^2θ=1+cot^2θ}}}➡you will get this form: (cot^2θ+cotθcosecθ)/(1+cot^2θ+cotθcosecθ)➡➡➡➡➡ΞStep 4Ξ Put cotθ=cosθ/sinθ and cosecθ=1/sinθ➡➡➡➡➡ΞStep 5Ξ Solve and get your LHS.....? | |
| 40419. |
If a positive integer p is divided by 7 then find the possible reminder? |
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Answer» From Euclid\'s Division lemma we geta=bq+r where 0 |
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| 40420. |
Find the distance between the following pairs of point. (2,3),(4,1) |
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Answer» 2√2 2underroot 2 2√2 2underroot 2 2underoot 2 |
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| 40421. |
How we decide the class width of continuous grouped data having different class intervals ??? |
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Answer» We have to change it in continuous form. To change it in the continuous form we have to divide the difference between lower limit and upper limit. Then we have to subtract that number from lower limit and add to upper limit If class intervals are different then the data is not continous. |
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| 40422. |
What is bisector of equilateral traingle? |
| Answer» For an equilateral triangle with side length s ,we have the following: the altitude,median,each side are all the same single lines. These 3 lines (one for each side) are also the lines of symmetry of the triangle. | |
| 40423. |
Sin square +sinsquare =1 |
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Answer» Class 6 Your question is wrong Sin. Square. +sin. Square=2(1-cos. Square. ). Not. 1 |
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| 40424. |
The length of shadow of a pole 50m hight is 50/ root 3m find the sun altitude |
| Answer» 60degrees | |
| 40425. |
What is the use of marking scheme |
| Answer» | |
| 40426. |
If x=3 is one root of quadratic equation xsquare-2kx-6=0 then find value of k |
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Answer» K =1/2 K=1/2 1/2 2k(3)-6=0. 6k-6=0. k=6/6. K=1 |
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| 40427. |
In. All. Subject. I. Read. Ncert. Or. Reference. Books |
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Answer» You have to read both.For average ncert is enough but for better you also have to read reference I have also to know this answer |
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| 40428. |
Sin square theta + sin four theta equals to 1 then find the value of cos squared theta + cos 4 theta |
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Answer» So what I have also to know this answer |
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| 40429. |
Find the value of k for which the equation (k-12)x2+2(k-12)x+2=0 |
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Answer» Thanx........... K=12,14 |
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| 40430. |
Sin(A+B)= |
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Answer» Sin(A+B) =SinA.CosB + CosA.SinB Cos{90-(A+B)} |
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| 40431. |
2πr |
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Answer» This formula gives circumfarance of circle What is your question |
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| 40432. |
Why 0 = Infiniti |
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Answer» 0 is not infinity??? 0 is not infinity?? 0 is not a infinity Yes 0 is not a infinity number Please check it again??? 0 is not infinity.?? |
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| 40433. |
1x +2y=30 and1x_27y=30 if x=2 find with any method =? |
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| 40434. |
16th |
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| 40435. |
If ui = xi-25/10 , sigma fi ui = 20 and sigma Fi = 100 then mean =? |
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| 40436. |
Math\'s |
| Answer» What is your question??????? | |
| 40437. |
Solve fo x12abx square - (9a square - 8b square )ex-6ab=0 |
| Answer» Pls write the steps also | |
| 40438. |
Derive the formula of 1/2r^2sin theta to find the area of a triangle in a sector of the circle |
| Answer» | |
| 40439. |
Divide 27 into two parts such that the sum of their reciprocal is 3/20 |
| Answer» Let two parts be x and y So, x+y = 27 (1)A2q 1/x + 1/ y = 3/20 y+x/xy= 3/20 27/xy = 3/20 {from (1) } 3xy = 540 y = 540/3x y= 180/x (2)Substituting y= 180/x in eqn (1) x+180/x = 27 x^ +180/x =27 x^ + 180 =27x x^ -27x+180= 0 x^ - (12 + 15) x + 180 =0 x^ - 12x - 15x + 180 = 0 x (x- 12) - 15 (x -12) =0 ( x-15) (x-12) =0 Either, Or x=15 x =12 Therefore two parts are 15 and 12 HOPE IT HELPS YOU | |
| 40440. |
Find the value of x a÷ × - a + b ÷ ×-b = 2c÷ ×- c |
| Answer» | |
| 40441. |
A÷×-a + b÷×- b = 2a÷× -c |
| Answer» | |
| 40442. |
A+b=6 ,ab=3 then find a2+ b2 |
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Answer» Sorry 30 39 a + b = 6 -------( 1 )ab = 3 ----------( 2 )Square the equation ( 1 ),( a + b )2 = (36 ) 2a2 + b2 + 2ab = 36a2 + b2 + 2 × 3 = 36 [ from ( 2 ) ]a2 + b2 + 6 = 36a2 + b2 = 36 - 6a2 + b2 = 30 |
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| 40443. |
Show that 2 minus rooot 3 is an irrational number |
| Answer» Yes 2 - root 3 is irrational no. Bcoz root 3 is irrational no. | |
| 40444. |
how to know in class 10 triangles if we. need to do construction |
| Answer» | |
| 40445. |
if nth term of an A. P. is (2n+1). what is the aim of its first three terms. |
| Answer» n=1 2(1)+1 =3n=2 2(2)+1=5n=3 2(3)+1=7 AP is 3,5,7 | |
| 40446. |
What is spherical shell?? |
| Answer» A spherical shell is a generalization of an annulus to three dimensions. It is the region between two concentric spheres of differing radii. | |
| 40447. |
অসমি |
| Answer» what is this?Please write in english | |
| 40448. |
All the formulas of surface area and volumes |
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Answer» Class 9th ki book mein he dude ? Check it on R.D sharma |
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| 40449. |
7 root |
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Answer» It create large scale displacement It occuppies large area which is fertile It effects the water stream of river It effect marine life(aquatic life) Sometime it also create flood Please tell me What is this.? What are the problems with construction of large dams |
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| 40450. |
Question no 4th of chapter 5 AP of ex 5.1 |
| Answer» A2 -A1= 4-2=2A3-A2=8-4=4A4-A3=16-8=8given sequence is not AP because its common difference is not same | |