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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.
| 4051. |
History of number π |
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| 4052. |
Money exchange derivation formula |
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| 4053. |
What is full form of bc |
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Answer» Before christ No boy.It is backward castes and communities |
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| 4054. |
If D is the mid point of hypotenuse AC of a right triangle ABC. Prove that BD=1/2AC |
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| 4055. |
Solve For x (5x+1)(x+3)-8=5(x+1)(x+2) |
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Answer» Questions are given by my subject teacher..from external books...I m Frm Golden Days Universal School...... Are you from rao mohar singh school ,najafgarh Akshata can you please tell me from where you get this question and in which school you are The outside x is of question....question starts from(5x+1)....till.....(x+2) x (5x + 1) (x + 3) - 8 = 5 (x + 1) (x + 2)(5x2 + x) (x + 3) - 8 = (5x + 5) (x + 2)5x3 + 15x2 + x2 + 3x - 8 = 5x2 + 10x + 5x + 105x3 + 16x2 + 3x - 8 = 5x2 + 15x + 105x3 + 16x2 - 5x2 + 3x - 15x - 8 - 10 = 05x3 + 11x2 - 12x - 18 = 0 |
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| 4056. |
What is capital R and small r in ch. Surface area volume |
| Answer» Capital R means first radiusSmall r means second radius | |
| 4057. |
Find the mean of frist five prime no |
| Answer» First five prime numbers are 2, 3, 5, 7 and 11So mean = (2 + 3 + 5 + 7 + 11 ) / 5\xa0mean = 28/5\xa0mean = 5.6\xa0 | |
| 4058. |
Construct a triangle ABC such that BC =6cm,AB=6cm and median AD=4cm |
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Answer» Don\'t cross your limit plsssss!! You nonsense bloody fool |
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| 4059. |
Why there is no TSA of sphere |
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Answer» because it\'s surface is only curve TSA of sphere is 4piersquare Sorry sorry sorry,its 4 pie r square TSA sphere is- 2pie r square |
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| 4060. |
Real number find |
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| 4061. |
If x=c√b+4 then find x+1/x |
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| 4062. |
Show that hypotenuse is the longest side of a right angle triangle. |
| Answer» Let an angle | |
| 4063. |
3533×644 |
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Answer» 22,75,252 22,75,252 |
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| 4064. |
How many zero does dubble zero have |
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| 4065. |
If a b is equal to CD is equal to BC then prove that triangle ABC congruent triangle CBA |
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| 4066. |
Five st |
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| 4067. |
If x/y+y/x=-1 (xy=0), then find the value of x^3-y^3 |
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| 4068. |
In the given figure find the value of reflex angle por |
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| 4069. |
Volume of cube is |
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Answer» a×a×a =a^3 A Cuboid having all the dimension to be of equal length is known to be a cube. Consider the dimension of a cube to be “a,” then the volume of a cube is given as-Volume of a cube = a × a × a= a3 |
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| 4070. |
Show that the diagonals of square are equal and bisect each other at right angles |
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| 4071. |
Cyclic Quadrilateral is only one in a individual circle mean in a circle? |
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| 4072. |
There are answer of papet |
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| 4073. |
What is the main method to obtain excellent marks in geometry? |
| Answer» Practice everyday | |
| 4074. |
State and prove the cyclic quadrilateral theorem and its converse with diagrams |
| Answer» Just wan the converse now | |
| 4075. |
Find a rational number between 3 and 7 |
| Answer» 4,5,6 and if it is given that how many rational no.we have to found so, answer will be change | |
| 4076. |
What is mod |
| Answer» Mode : highest repeating number | |
| 4077. |
Determine the acceleration of a car of mass 8000 gram on application of force 20 Newton on it |
| Answer» m=8000g=8kg,F=ma. 20=8×a. a=20/8=5/2=2.5 | |
| 4078. |
What is the congruent |
| Answer» A congruent triangle is that two triangles are equal & all sides , vertices and edges are equal that types of triangles are congruent | |
| 4079. |
What is the formula of a+b ka whole square |
| Answer» (a+b)^2=a square+2ab+b square | |
| 4080. |
If a+b+c=5 and ab+bc+ca=10 then find the value of a^3+b^3+c^3-3abc |
| Answer» (a+b+c)2=a2+b2+c2+2(ab+bc+ca)a2+b2+c2=52-2×10=5So A3+b3+c3-3abc=(a+b+c)(a2+b2+c2-ab-bc-ca)=(5)(5-10)= -25 | |
| 4081. |
Value of Under root -4 |
| Answer» 2i | |
| 4082. |
2 \'s power 2upon5 |
| Answer» 4/5 or 0.8 | |
| 4083. |
Where is answer of sample Paper |
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| 4084. |
Y²-7y+10 By factor theorem |
| Answer» = y2 - 5y - 2y + 10 = y (y - 5 ) - 2 (y - 5 )=(y - 5 ) (y -2) | |
| 4085. |
(X+4)(x-3) |
| Answer» (x+4)(x-3) =x(x-3)+4(x-3) =x*2-3x+4x-12. =x*2+7x-12 | |
| 4086. |
AO and DO are the bisector of |
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| 4087. |
What is the Pythagorean theorem of root 3 |
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Answer» Wrong 0 0.03 |
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| 4088. |
Exercise 9.3 |
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| 4089. |
A diagonal of a parallelogram divides it into 2 equal parts |
| Answer» Yes it\'s true | |
| 4090. |
Find the area of triangle ,two sides of which are 8cm and 11cm and perimeteris 32cm |
| Answer» Perimeter = a+b+c......32cm= 8cm + 11cm +c....32=19cm+c....32-19=c....13cm=c....Semi perimeter = perimeter/2... =32/2 =16=√s(s-a)(s-b)(s-c)...=√16(16-8)(16-11)(16-13)....=√16(8)(5)(3).. Now,take LCM of all digits..=√2*2*2*2(2*2*2)(5)(3).... Make pair and put them outside...=2*2*2√2*3*5...=4*2√6*5...=8√30cm Is this answer is correct . if no so please comment or report me.I will correct my mistake... ......thank you | |
| 4091. |
Find the length of longest rod that can yplaced in a room 12m × 9m × 8m |
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| 4092. |
3/(216)-⅔+2/(256)-¾+2/(243)-¼ |
| Answer» 242 | |
| 4093. |
Explain how angle in a semicircle is equal? |
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Answer» If an angle is inscribed in a semicircle it will be half the measure of semicircle angles in a semicircle are equal as it is prooved by a theorem |
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| 4094. |
a tile of length 12 inch and breadth of 24 inch how much square feet it is |
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| 4095. |
2x ×3y |
| Answer» 6xy | |
| 4096. |
Show that median of a triangle divides it into 2 parts |
| Answer» In\xa0ΔABC, AD is the median\xa0Hence BD = DCDraw AE\xa0⊥ BC\xa0Area of ΔABD\xa0\xa0\xa0= Area of ΔADC\xa0Thus median of a triangle divides it into two triangles of equal area. | |
| 4097. |
Find the roots of 50 x square - 32 Y square |
| Answer» 52cm | |
| 4098. |
find the percentage increase in the surface area of sphere if its radius is doubled |
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Answer» (4SA-SA)/SA×100=300% SA= 4πR^2PUTTING 2R FOR RSA1=4π(2R)^2=4×4πR^2=4SAHence the SA becomes 4 times |
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| 4099. |
ABCD is a parallelogram .Find the area of parallelogram abcd if the are of ΔBCD is 26cm ^ |
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Answer» ∆ABD=∆BCDSo there area will also be sameThereforeArea of ∆ABD=Area∆BCDArea of parallelogram ABCD=Area of ∆ABD+Area of ∆BCD=26+26cm^2=52cm^2 How to proof paralleogram |
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| 4100. |
Factorise (x-y) ²+(y-z) ³+(z-x) ³ |
| Answer» (x -y) 2 + (y-z)3 + (z -x)3= x2 - 2xy + y2 +\xa0y3−3y2z+3yz2−z3 + z3−3z2x+3zx2−x3=−x3+\xa0y3+x2+ y2- 2xy−3y2z+3yz2−3z2x+3zx2 | |