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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.
| 3651. |
Solve for x: x²+1/x²-5(x+1/x)+8=0. Solve it quickly ??? |
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Answer» X=5/2 So easy ?? |
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| 3652. |
If cos -sin =1 prove that cos +sin =-+1 |
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Answer» And get answer Squaring on both side |
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| 3653. |
How to study math in easy way |
| Answer» No need to learn the formula. Just clear ur concept. Nd do lots of questions. Formula khud yaad ho jaega. | |
| 3654. |
Find the lenght of diagonal of rectangle B;C;D ; E IF angle BCA= angle DCF , AC=6 AND CF = 12 |
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| 3655. |
Hey ☺? |
| Answer» Muskan | |
| 3656. |
How much marks does we will get if we make xi table wrong but formula correct in 5 marks question |
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Answer» May be only 1/2 2 as per marking scheme |
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| 3657. |
Kirti sharma hii |
| Answer» | |
| 3658. |
Devashree are you online ? I want you to talk about home assignment of maths. Chapter probability. |
| Answer» | |
| 3659. |
Sec3A=Cosec(A-10),where 3A is an acute angle ,findThe value of A |
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Answer» A=25 A=25 |
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| 3660. |
How to find the first negative term of any ap |
| Answer» By simply putting the values in formula then less than sign with 0 then solve | |
| 3661. |
What would be the lcm of a^2×b^3 , a^3×b ? |
| Answer» A3b3 | |
| 3662. |
Prove PIE =22/7 |
| Answer» | |
| 3663. |
Which book is best to score 70 marks in math in class 10 boards |
| Answer» Ncert | |
| 3664. |
If the sum of all the terms of an A.P1,4,7,10.......,x is 287, find x |
| Answer» N=121 | |
| 3665. |
How can i prove tangent touch to cirlce make an angle of 90 deg. |
| Answer» | |
| 3666. |
Tan A/1-cot A+ cot A/1-tanA=1+secAcosA...prove |
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Answer» Thanks sin/cos/1-cos/sin +cos/sin/1-sin/cossin/cos /sin-cos/sin + cos/sin/cos-sin/ cossin/cos×sin/sin-cos + cos/sin×cos/cos-sinsin2 /sin(sin-cos) + cos2/sin( cos-sin)sin2/sin(sin-cos)-- cos2/sin( sin-cos)sin3--cos3/ sin(sin-cos) ( a3-b3)= (a-b) (a2+b2+ab(sin--cos) (sin2+cos2+sin×cos)/sin(sin-cos)sin2+cos2+sin×cos/sin ( sin2+cos2 =1)1+ sin×cos / sin1/sin/cos + sin /sin ( 1/sin = cosec &1 / cos= secA)cosecA sec A + 1 1+secAcosecA = r.h.s hence proved. |
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| 3667. |
Example of unisexual flowers |
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Answer» Thnx papaya and watermelon |
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| 3668. |
Show that n^2-1 is divisible by 8 If n is an odd positive integer |
| Answer» Let n = 4q + 1 (an odd integer){tex}\\therefore \\quad n ^ { 2 } - 1 = ( 4 q + 1 ) ^ { 2 } - 1{/tex}{tex}= 16 q ^ { 2 } + 1 + 8 q - 1 \\quad \\text { Using Identity } ( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 }{/tex}{tex}= 16{q^2} + 8q{/tex}{tex}= 8 \\left( 2 q ^ { 2 } + q \\right){/tex}= 8m, which is divisible by 8. | |
| 3669. |
If zeroes of polynomial: 1/3x^2+(k-2)+2x are reciprocal of each other.find the value of k |
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| 3670. |
Helloooo |
| Answer» | |
| 3671. |
Can anyone tell me the marking scheme of all subjects chapterwise.. |
| Answer» | |
| 3672. |
If cos - sin =√2sinThen prove that cos + sin =√2sin |
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| 3673. |
Derive the formula of median |
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| 3674. |
If 16 cot A= 12,find value of sinA+cotA/sinA-cotA |
| Answer» 31 | |
| 3675. |
Obtuse angled and acute angled triangle formulas which is used in Ex.6.7( optical ) |
| Answer» | |
| 3676. |
Sin2+cos2=1 proof |
| Answer» | |
| 3677. |
What is thé hcf and lcm of 126 and156 using prime factorisation methods ????? |
| Answer» LCM and HCF of 126 and 156 is 3276 and 6 respectively. | |
| 3678. |
What is sinA if the cosecA is 12/6? |
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Answer» 6/12 Just put the value in the triangle |
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| 3679. |
The circumference of 2 circle Are in the ratio 2:3. Find the ratio of there area |
| Answer» 4:9 | |
| 3680. |
The sum of a number and its reciprocal is 10/3.find the number |
| Answer» | |
| 3681. |
Please tell me when exam of 10th class will start |
| Answer» Even I am also searching for that | |
| 3682. |
Find the corrdinate of point on y axis which is nearest to the point |
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Answer» 0,5 (0,0) |
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| 3683. |
Sin52+cos38 |
| Answer» we may write sin [90-38]+cos38.now cos38+cos38 = 0.78+0.78= 1.56 | |
| 3684. |
frequency of 22 |
| Answer» | |
| 3685. |
Write whether 6√45+4√20+√405/√1050 on simplification gives a rational or an irrational number |
| Answer» can you just help me? | |
| 3686. |
PROBALITY |
| Answer» Cnance | |
| 3687. |
Where are sample papers of maths |
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Answer» You are very sweet Thanks ayush U can get on this app |
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| 3688. |
If alpha and beta are the roots of ax^2-bx+c=0 then calculate alpha+beta |
| Answer» {tex}\\alpha + \\beta =- \\frac{b}{a}{/tex} | |
| 3689. |
Circle formula |
| Answer» | |
| 3690. |
prove that 4q - + 1=2 sin 2q ? |
| Answer» Let a = 4q + r, when r = 0, 1, 2 and 3{tex}\\therefore{/tex}Numbers are 4q, 4q + 1, 4q + 2 and 4q + 3{tex}( a ) ^ { 2 } = ( 4 q ) ^ { 2 } = 16 q ^ { 2 } = 4 ( 4 q ) ^ { 2 } = 4 m{/tex}{tex}( a ) ^ { 2 } = ( 4 q + 1 ) ^ { 2 } = 16 q ^ { 2 } + 8 q + 1 = 4 \\left( 4 q ^ { 2 } + 2 q \\right) + 1 = 4 m + 1{/tex}{tex}( a ) ^ { 2 } = ( 4 q + 2 ) ^ { 2 } = 16 q ^ { 2 } + 16 q + 4 = 4 \\left( 4 q ^ { 2 } + 4 q + 1 \\right) = 4 m{/tex}{tex}( a ) ^ { 2 } = ( 4 q + 3 ) ^ { 2 } = 16 q ^ { 2 } + 24 q + 9 = 4 \\left( 4 q ^ { 2 } + 6 q + 2 \\right) + 1 = 4 m + 1{/tex}{tex}\\therefore {/tex}\xa0the square of any +ve integer is of the form 4q or 4q + 1\xa0 | |
| 3691. |
What is polygons |
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Answer» Polygons are a simple closed figure bounded by 3 or more than 3 line segment.Ex. Triangle, Quadrilateral, Pentagon, etc. A four sided figure Quad having more than 4 sides |
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| 3692. |
2x+3y=7 |
| Answer» | |
| 3693. |
If one zero of quadratic polynomial x+x-2 is -2 find the other zero? |
| Answer» Wrong qstn | |
| 3694. |
1234×x/123 |
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Answer» -1.3 4 |
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| 3695. |
If the difference of two number is 66 if one is 4 times the other find the number |
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| 3696. |
A quadrilateral is drawn to circumscribe a circle prove that the sum of opposite sides are equal |
| Answer» Since tangents drawn from an exterior point to a circle are equal in length.{tex}\\therefore{/tex} AP = AS [From A] ...(i)BP = BQ [From B] ...(ii)CR = CQ [From C] ...(iii)and, DR = DS [From D] ...(iv)adding (i), (ii), (iii) and (vi), we getAP + BP + CR + DR = AS + BQ + CQ + DS{tex}\\Rightarrow{/tex} (AP + BP) + (CR + DR) = (AS + DS) + (BQ + CQ){tex}\\Rightarrow{/tex} AB + CD = AD + BCHence, AB + CD = BC + DA | |
| 3697. |
Sn= Sm than prove that :S (m+n) |
| Answer» | |
| 3698. |
In which month board exam will conduct |
| Answer» From9 march | |
| 3699. |
Two zeros of polynomial (x) 2x^4+3x^3-3x^2-6x-2are√2 and√2. Find the remaining zeros of p(x) |
| Answer» Divide x^2 - 2x by that equation | |
| 3700. |
What the role of 3r in environment |
| Answer» 3r means :-reuse,recycle,and reduce | |