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InterviewSolution
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.
| 5951. |
Class 9th math chapters 13 exercise 13.4 |
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| 5952. |
Class 9th math chapters 13exercise 13.4 |
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| 5953. |
(25÷81)2/3 |
| Answer» 50/243 | |
| 5954. |
If 3a - 2b + c = 0,then find the value of 2a + (3bc). |
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| 5955. |
If SinA + SinB = C, CosA + CosB = D, then find the value of Sin(A + B). |
| Answer» Jejejw | |
| 5956. |
why the degree of ROOT2 is always 0. |
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| 5957. |
If the radius of a sphere is tripled then the volume will increase................ times. |
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Answer» Explain the answer plzz 27 27 |
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| 5958. |
Rational number between root 2 and root 3 |
| Answer» 1.415,1.416....... | |
| 5959. |
If (√3-1)=(a-b√3 (,√3+1 |
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| 5960. |
Draw a ∆ABC,AB+BC+CA=12cm, B=60°,C=45° |
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| 5961. |
Formula of area of circal |
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Answer» πr^2 πr^2 πr^2 πr^2 |
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| 5962. |
The parking charges of a parking in a parking lot rs 30 for the first two hrs |
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| 5963. |
Two sides of a triangle are of length 5cm and 1.5cm . The length of the third side of the triangle |
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| 5964. |
Give the geometric representation of 2x +9 =0 as an equationIn one variableIn two variable |
| Answer» Give the geometric representation of 2x +9=0 as an equation (i) in one variable (ii) in two variable2x + 9 = 0=> x = -4.52x + 9 = yx y-5 -1-4 1-3 3-2 5-1 70 91 112 13Draw graph of given points | |
| 5965. |
Prove that 9³/²-3×2°-(1/81)-½=15 |
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| 5966. |
Write 3x=5 as in an equation in two variables |
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Answer» 3x +0y-5=0 3x-5=0(y) 3x-5=0 |
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| 5967. |
Exercise 13.4 Q7 |
| Answer» Let the radius of the earth=rRadius of the moon=r/4Surface area of a sphere=4Πr2Since,the earth as well as moon are considered to be sphere.Surface area of earth=4Πr2Surface area of moon=4Π(r/4)2Surface area of earth /Surface area of moon=4Πr2/4Π(r/4)2=r2/(r/4)2=16r2/r2=16/1=16:1 | |
| 5968. |
Chapter 1 questions 1 |
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| 5969. |
a3-b3 _ ( a- b)3 +( a - ab + b) |
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| 5970. |
If (x-a) is a factor of x8-ax7+x6-ax5+x4-ax3+3x-a+2=0,then find the value of a. |
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| 5971. |
If triangle ABC,AB=AC and angle B=65° then angle C is equal to |
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Answer» 65 If AB=AC and angle B is 65 then angle C is also 65 because triangle ABC is an isosceles triangle and an isosceles triangle have equal angles opposite to equal sides ... |
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| 5972. |
Represent-7/5 on the number line |
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| 5973. |
Prove that angles opposite sides of an isosceles triangle are equal |
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| 5974. |
Draw 45dr |
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| 5975. |
If x+y=8 and xy=15 then find the value of x^2+y^2 Please answer my question... |
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Answer» 50-1+100-50-50=?? 36 x +y = 8xy = 15 x+y =8 Squaring both side (x+y)^2={8}^2 x^2+y^2+2xy=64…........(xy=15)x^2+y^2+30=64x^2+y^2=64-30x^2+y^2=34 x x + y = 8 ............ (i)xy = 15 ........... (ii)(x+y)2 = 82x2 + y2 + xy = 64x2 + y2 + 15 = 64x2 + y2 = 64 - 15x2 + y2 = 49 |
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| 5976. |
In figure angle a= 2x+10 |
| Answer» G | |
| 5977. |
Prove that angle opposite side of an isosceles triangle are equal |
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| 5978. |
Find csa of cone whose height is 12cm and base radius is 5cm |
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Answer» Csa of cone=πrlRadius=5cm and height=12cm. csa=22/7*5*12=188.57cm^2 l^2 = r^2 + h^2 l = √5^2 + 12^2l. = √169l. = 13 cm CSA of cone = πrl = 22/7 * 5 * 13 = 204.2 cm ^2 |
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| 5979. |
If both (x+2) and (2x + 1) are factors of (ax2 +2x +b ) , then the value of a-b is |
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| 5980. |
×4 (×2-2×+5) |
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| 5981. |
What is sum of P(E) + P(E) |
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Answer» 1 is the answer Ques is wrong its P(E)+P(NOT E ) and answer is 1 |
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| 5982. |
If the volume of a sphere is numerically equal to surface area. Then radius of sphere is |
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Answer» Double of it Dil da ni mada tera sidhu musse wala Doublr |
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| 5983. |
If a^x=c^q=b and c^y=a^z=d the prove that xy=qz. |
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| 5984. |
Derive the formula of an equilateral and Isosceles triangle by Heron,s formula |
| Answer» Heron,s formula is=a+b+c/2Then, aera=√s(s-a)(s-b)(s-c) | |
| 5985. |
Ex-8.1 |
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| 5986. |
If x-1*x=7 then find the value of xcube-1*xcube |
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| 5987. |
Exercise 13.3 solution |
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| 5988. |
In ? PQR, PA is the bisector of angle A PM is the perpendicular to line QR angle Q> angle R |
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| 5989. |
X +1÷×= under root 3 prove that x 6 =_1 |
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| 5990. |
Construct a triangle ABC, in which angleB =60 degree ,angel C = 45degree and AB+BC+CA =11cm |
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| 5991. |
Factorise x^2 - 3 |
| Answer» X (x-3) | |
| 5992. |
Without actually calculating the cubes find the value of 45,25,20 |
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Answer» But your statement is wrong It must be 45 + (-25)+ (-20)So. 45 - 45 =0 Then 3 * 45 * -25 * -20 = 67,500 If a + b + c = 0 then a^3 + b^3 + c^3 = 3 abc |
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| 5993. |
If x÷y+y÷x= -1for x not equal to0 then find x cube - y cube |
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| 5994. |
If diagonals of a quardilatetal bisect each other proove that it is a ractangle |
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| 5995. |
a×a+b×b=? |
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Answer» a^2+b^2 a^2 + b^2 |
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| 5996. |
Throram 7.2 |
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Answer» Proof :in ∆ BAD and ∆CAD ,BA = CA ( given)angle BAD = angle CAD ( By. Construction) AD =AD (common) ∆BAD =(~) ∆ CAD (By SAS Congruence) angle DBA=angle DCA. ( By C.P.C.T ) angle B = angle C. ( Hence proved ) ∆ ABCD AD Midian of BC Given: triangle ABC is an isosceles in which AB =AC To prove : angle B =angle CConstruction:Draw the bisector of angle A . Let D be the point of intersection of this bisector angle A on angle BC . Statement: angles opposite to equal side of an isosceles triangle are equal |
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| 5997. |
The perimeter of field is 450m and its area in the ratio of 13:12:5 find the area of the field ? |
| Answer» 828 | |
| 5998. |
A dome of a buliding is in the form of hemispheres from inside it was white |
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| 5999. |
If x+1/x=5 then find the value of x^6+1/x^6 |
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| 6000. |
Without using protactor make an angle of 45 |
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Answer» yes With the help of a compass draw a semicircle. Then, draw an arc of sixty degree and then of one twenty degree . Afterwards, draw an arc from an angle of sixty and one twenty degree of an angle. Now, join that and we have an angle of ninety degree . From the angle of zero degree and ninety degree draw an arc and then join the line . At last, the angle which we are having is of forty-five degree . Make with compass |
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