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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.
| 9651. |
perimeter of semi-circle |
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Answer» (πr+2r) C=2πr (πr+2r) |
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| 9652. |
Rahul tied the sticks at what angles to each other? |
| Answer» Write complete question | |
| 9653. |
Show how 5 can be represented on tha number line |
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| 9654. |
The distance between the points (sin∅, cos∅) and ( cos∅,-sin∅) is |
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Answer» √2 ....hope it helps √2Note-:(-sin theta-cos theta )²,is taken as (a+b)² ,since -a*-b = ab Hope you understand ? Uduj Root 2 |
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| 9655. |
On increasing the diameter of a circle by 40% the area increased by |
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Answer» 96% Use this formula : (20+given increase in diameter ÷10)×given increase in diameter ÷10 made by myself an accurate formula 96 % 96 % Hh |
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| 9656. |
Missing entires in The following factor tree = 2 = 3 7 |
| Answer» 975698 | |
| 9657. |
A+B=10. A-B=5. Elemenation method |
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Answer» (A+B=10)+(A-B=5) 2A=15A=15/2So, A+B=10 15/2+B =10B=10-15/2B=20-15/2B=5/2 A is equal to 7.5, b is equal to 2.5 A=15/2 ,B=5/2 A=15/2 , B= 5/2 A=15/2, B=5/2 |
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| 9658. |
The Ratio Of LCM and HCF of the least composite and the least prime numbers is |
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Answer» 2:1 Sorry 2:1 4:1 2:1 1:2 |
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| 9659. |
The area of shaded region in the given Figure is (take pie = 3.14) |
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Answer» Post figure 22/7 Where is figure? Give us figure 22/7 |
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| 9660. |
why parabola graph upwards a=0 |
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| 9661. |
decimal expansion of sum of rational number 15 upon 4 and 5 140 will terminating after |
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Answer» After 4 digits 4 |
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| 9662. |
find the point on x axis which is equidistant from -3,4 & 7,6How 14x & 6x came |
| Answer» irrational number | |
| 9663. |
3+(-3) |
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Answer» 0As, 3+(-3)=3-3=0 0 0 0 0 |
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| 9664. |
How root 35 = 5.91....??? |
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| 9665. |
Is 6 + root9 an irrational number |
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Answer» False , it is Rational 6+√9 = 6+3=9 which has a terminating non- recurring decimal expansion so it is rational number . √9 = √3×√3 =3 Irrational No No, it is rational 6+ root9 = 6+ root 3×3= 6 + 3= 9 Hence, 9 is a rational number No,6+√9=6+√3*3=6+3=9 |
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| 9666. |
The coordinates of the fourth vertex of the rectangle formed by (5, 3), (2, 3), (2, 7) are |
| Answer» In a rectangle, opposite sides are equal. So find distance AC AND BD AND EQUATE THEM | |
| 9667. |
How 3×root 3 =3× 1.7320508.... |
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Answer» As √3= 1.7320508...So, 3√3 means 3×√3= 3 × 1.7320508....Hence Proved !!! Because of √3 = 1.732.... |
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| 9668. |
The exponent of 2 in the prime factorisation of 144 is : |
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Answer» 4 4 4 4 |
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| 9669. |
If sec A=2 then find the value of tan*2A+cot*2A |
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Answer» 2 10/3 |
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| 9670. |
The decimal expansion of 131/120 will terminate after how many decimal places? |
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Answer» 1.091666666666666 3 1.0910(approx) Non-terminating |
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| 9671. |
The decimal expansion of 7/2^0×5^3 will terminate after how many decimal expansion? |
| Answer» 3 decimal expansion | |
| 9672. |
All chapters formula |
| Answer» Book kholo NCERT | |
| 9673. |
The largest number which divided on , 70 and 125 leaves 5 and 8 remainders |
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Answer» 13 13 this answer 70 - 5 = 65 125 - 8 = 117 HCF of 65 and 117 is 13. So, the answer is 13 According to the question _ 70 - 5 = 60 and 125 - 8 = 117Hcf of 60 and 117 = 13 Therefore the largest number which divides 70 125 leaving remainder 5 and 8 is 13 13 |
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| 9674. |
Find the zeroes of the cubic polynomials p(m)=m³-8m²+19.-12 |
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| 9675. |
Find the maximum value of the polynomial-> -x²+x+2 |
| Answer» Infinite | |
| 9676. |
202-302 |
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Answer» -100?? 202-302_____-100_____ - 100 -100 ? |
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| 9677. |
Probability of an event can not be |
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Answer» Less than 0 and cannot be more than 1 Less than 0 Probability of an event cannot be less than 0 and more than 1. Less than 0 in negative |
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| 9678. |
Tan A=4/3 and a is acute then sin a is |
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Answer» Sin a is equal to 4/5 Tan A=4/3 and a is acute then sin a is tanA=4/3=p/b. Here,p=4 and b=3 By Pythagoras theorm, h^2 =p^2 + b^2 . =4^2 + 3^2 =16 + 9 = 25 h= 5 ( 5^2 = 25 ) now sin A = p/h sin A = 4/5 |
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| 9679. |
2 f(x)=6x. -3-7x |
| Answer» X=0 | |
| 9680. |
Chapter 14 ex14. 1 qu 5 |
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| 9681. |
What will be the height of an equilateral triangle having each side 6 CM |
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Answer» 3root3 Duck ? In a equilateral triangle all sides are equal We construct a median which is a perpendicular only in equilateral triangle And by Pythagoras theorem We get √18 OR 3√2 |
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| 9682. |
The degree of the polynomialt⁸-3t⁷+2t⁵-6t²/t² |
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Answer» 8 8??\u200d♂️ 8 The degree of the polynomial is 8 |
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| 9683. |
For what value of k, -2 is a zero of the polynomial 3xsquare+4x+2k? |
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Answer» Answer is -2 -2 |
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| 9684. |
What is the ratio of smallest 2 digit prime no and smallest composite no |
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Answer» 11is the the smallest 2digit prime no and 4 is smallest composite no so ratio is 11:4 Smallest Two digit Prime Number - 11 and smallest Composite Number - 4 Ratio = 11/4 = 11:4 11is the the smallest 2digit prime no and 4 is smallest composite no so ratio is 11:4 |
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| 9685. |
If a=2^3×3,b=2×3×5,c=3^n×5 and LCM (a,b,c)=2^3×3^2×5,than n=? |
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Answer» 3 as it\'s the highest power 2 2 2 |
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| 9686. |
Thedecimalexpansionoftherationalnumber14587/250willterminateafter: |
| Answer» IT WILL TERMINATE AFTER 3 DECIMAL PLACES.IF U WRITE THE DENOMINATOR IN THE product of the primes 2 and 5 then it would become ,250 = 2*5*5*5,which is equal to 2*5^3,so it would terminate after 3 decimal places. | |
| 9687. |
Sin A=90°Cos B=0° Find (A+B)= ? |
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Answer» 1+1=2 2 2 2 |
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| 9688. |
56/8 |
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Answer» 7 7 answer 7 7 |
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| 9689. |
2.345 +3.654 -7.658 |
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Answer» Answer would be in negative-1.659 1.659 Left from home and the meet and talk about the day and night and per the meet and talk about the meet only one technique is a joke with the day of any kind of any education and the day is not ?? and per capita income and I am |
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| 9690. |
Mandala art project |
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| 9691. |
Find the zeroes of the polynomial x²+26-25=0 |
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Answer» +,-1 O and 1 are the zeroes of the polynomial X2+26-25=0 |
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| 9692. |
10+6= |
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Answer» 16?\u200d♀️ 16??? 16 16 ? 16 ??\u200d♀️ |
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| 9693. |
The coordinates of mid point of the points (3,5) and (7,9) are |
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Answer» 5,7 5,7 5,7 5,7 (5,7) |
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| 9694. |
1 over cosec thitha -1- 1 over cosec thitha +1 = |
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| 9695. |
Graphically how does the pair of equations 6x-3y+10=02x-y+9=0Represents two lines |
| Answer» Parallel lines | |
| 9696. |
If 2 and alpha are zeros of 2x2-6x+2 then value of alpha is |
| Answer» 1/2 | |
| 9697. |
If the central of a |
| Answer» Plzz ask full question | |
| 9698. |
Sin thetha + cos thetha |
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Answer» 1 Oh jii the answer is 1 That\'s sin*2A + cos*2A 1 |
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| 9699. |
Can any one please tell me the answer ?The zeros of the quadratic polynomial x square+99x+127 |
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Answer» By direct formula -b/a = -9 / 1 -1.3 and -97.7 |
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| 9700. |
All class 10th maths formula |
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Answer» Book mei dekh le Polynomials Formulas(x+y)2=x2+y2+2xy(x−y)2=x2+y2−2xy(x+y)(x−y)=x2−y2(x+y)(x+z)=x2+x(y+z)+yz(x+y)(x−z)=x2+x(y−z)−yzx2+y2=(x+y)2−2xy(x+y)3=x3+y3+3xy(x+y)(x−y)3=x3−y3−3xy(x−y)(x+y+z)2=x2+y2+z2+2xy+2yz+2zx(x−y−z)2=x2+y2+z2−2xy+2yz−2zxx3+y3=(x+y)(x2−xy+y2)x3−y3=(x−y)(x2+xy+y2)x4−y4=(x2)2−(y2)2=(x2+y2)(x2−y2)=(x2+y2)(x+y)(x−y)(x+y+z)2=x2+y2+z2+2xy+2yz+2zx(x+y−z)2=x2+y2+z2+2xy−2yz−2zx(x−y+z)2=x2+y2+z2−2xy−2yz+2zx(x−y−z)2=x2+y2+z2−2xy+2yz−2zxx3+y3+z3−3xyz=[(x+y+z)(x2+y2+z2−xy−yz−zx)]2. Arithmetic Progression Formulasnth Term of an Arithmetic Progression\tan=a+(n−1)×dSum of 1st n Terms of an Arithmetic Progression\tSn=n2[2a+(n−1)d]3. Coordinate Geometry FormulasDistance Formula\tAB=√(x2−x1)2+(y2−y1)2Section Formula\t(mx2+nx1m+n,my2+ny1m+n)Mid-point Formula\t(x1+x22,y1+y22)Area of Triangle\tar(ΔABC)=12×⎡⎢⎣x1(y2−y3)+x2(y3−y1)+x3(y1−y2)⎤⎥⎦4. Trigonometry FormulasTrigonometric Identities\tsin2A+cos2A=1tan2A+1=sec2Acot2A+1=cosec2ARelations between Trigonometric Identities\ttanA=sinAcosAcotA=cosAsinAcosecA=1sinAsecA=1cosATrigonometric Ratios of Complementary Angles\tsin(90∘−A)=cosAcos(90∘−A)=sinAtan(90∘−A)=cotAcot(90∘−A)=tanAsec(90∘−A)=cosecAcosec(90∘−A)=secA Values of Trigonometric Ratios of 0° and 90°∠A0∘30∘45∘60∘90∘sinA0121√2√321cosA1√321√2120tanA01√31√3Not DefinedsecA12√3√22Not Definedcosec ANot Defined\t2√22√31cotANot Defined\t√311√305. Circles FormulasArea of circle\tπr2Diameter of circle\t2rCircumference of circle\t2πrSector angle of circle\tθ=(180×l)(πr)Area of the sector=(θ2)×r2Area of the circular ring=π×(R2−r2)θ=Angle between two radiiR=Radius of outer circler=Radius of inner circle6. Statistics FormulasMean\tam=a1+a2+a3+a44=n∑0 anMedian\tMedian=l+(n2−cff)hMode\tMo=l+(f1−f02f1−f0−f2)h7. Quadratic Equations FormulasQuadratic Equations\tax2+bx+c=0where a≠0Quadratic Polynomial\tP(x)=ax2+bx+c where a≠0Zeroes of the Polynomial P(x)The Roots of the Quadratic Equations are zeroesOne Real Root\tb2−4ac=0Two Distinct Real Roots\tb2−4ac>0No Real Roots\tb2−4ac<08. Triangles FormulasSix elements of triangle\tThree sides and three anglesAngle sum property of triangle\tSum of three angles: ∠A+∠B+∠C=180∘Right angled triangle\tAdjacent SideOpposite SideHypotenusePythagoras Theorem\tH2=AS2+OS2H=HypotenuseAS=Adjacent SideOS=Opposite SideEquilateral Triangles\tAll sides are equalIsosceles Triangle\tTwo sides are equal Congruent Triangles\tTheir corresponding parts are equalSSS Congruence of two triangles\tThree corresponding sides are equalSAS Congruence of two triangles\tTwo corresponding sides and an angle are equalASA Congruence of two triangles\tTwo corresponding angles and a side are equal9. Surface Area and Volume FormulasCuboidVolume of Cuboid (LSA)\tl×b×hLateral Surface Area of Cuboid (LSA)\t2h(l+b)Total Surface Area of Cuboid (TSA)\t2(lb+bh+hl)CubeVolume of Cube\tx3Lateral Surface Area of Cube (LSA)\t4x2Total Surface Area of Cube (TSA)\t6x2SphereVolume of Sphere\t43×πr3Lateral Surface Area of Sphere (LSA)\t4πr2Total Surface Area of Sphere (TSA)\t4πr2Right Circular CylinderVolume of Right Circular Cylinder\tπr2hLateral Surface Area of Right Circular Cylinder (LSA)\t2×(πrh)Total Surface Area of Right Circular Cylinder (TSA)\t2πr×(r+h)Right PyramidVolume of Right Pyramid\t13×[Area of the Base]×hLateral Surface Area of Right Pyramid (LSA)\t12×p×LTotal Surface Area of Right Pyramid (TSA)\tLSA+[Area of the Base]Right Circular ConeVolume of Right Circular Cone\t13×(πr2h)Lateral Surface Area of Right Circular Cone (LSA)\tπrlTotal Surface Area of Right Circular Cone (TSA)\tπr×(r+L)HemisphereVolume of Hemisphere\t23×(πr3)Lateral Surface Area of Hemisphere (LSA)\t2πr2Total Surface Area of Hemisphere (TSA)\t3πr2PrismVolume of Prism\tB×hLateral Surface Area of Prism (LSA)\tp×hTotal Surface Area of Prism (TSA)\tπ×r×(r+L)l=Length, h=Height,b=Breadthr=Radius of SphereL=Slant Height \ufeff |
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