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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.
| 14751. |
What is means of ogive |
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Answer» An ogive plot is useful in statistics when we want to know how many observations to expect for a range of data. It allows us to quickly see how many observations were measured for all ranges less than a particular number. A comulative frequency graph. |
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| 14752. |
draw a line segment Ab of lenght 7 cm.using ruler and compsses find a point on Ab that AP/AB=3/5. |
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| 14753. |
Chapter 6.2 question no. 9 can someone solve it for me |
| Answer» Draw the figure with the help of hints given belowGiven: ABCD is a trapezium and ABllDCConstruction: draw a line EO such that DCllEOllABTo prove: AO/BO=CO/DOProof: In triangle ADC DE/EA=AO/CO (By B.P.T.) Consider it as equation 1 In triangle ADB DE/EA= BO/DO (ByB.P.T.) Consider it as equation 2 From equation 1 and 2 we get AO/CO= BO/DO = AO/BO=CO/DO (By alternendo) Hence, proved | |
| 14754. |
Elemination method |
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| 14755. |
A.P. = 3,8,13........253Find last 20th term..? |
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Answer» As it is given from laat so, a=253d= (-5)a20 = ? an a+(n-1)da20= 253+(20-1)(-5) = 253+(19)(-5) =253-95 158Therefore 20th term of an AP from last is 158 Write this in given form 253.......13,8,3Here, a= 253 and d=8-3 =-5An = 253+(20-1)(-5)=253 +19*(-5) = 253-95= 158 3,8,13.......,253To find 20th term form the last term we consider the sequence as followsa = 253 and d = 3 - 8 = -5an\xa0= a + (n - 1)da20\xa0= a + (20 - 1)d = 253 + 19\xa0×\xa0(-5) = 253 - 95 = 158Hence, the 20th term from the last term is 158. 158 |
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| 14756. |
In triangle ABC, DE||BC meeting AB at D and AC at E.If AB/BD=4 and CE=2cm, find the length of AE. |
| Answer» Step-by-step explanation:Here ABC is a triangle,In which and Also, Thus, ( by The alternative interior angle theorem)Similarly, Thus, By AA similarity postulate,By the property of similar triangles,⇒ ( By multiplying -1 on both sides )⇒ ( By adding 1 on both sides)⇒ ⇒ ⇒ ( because and CE=2 )⇒ But, AE = AC - CE = 8 - 2 = 6Thus, AE = 6cm | |
| 14757. |
Ex-13.1 Question number 8 |
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| 14758. |
Bhai koi bta sakta hai ki science aur math me kasie likee ki acha marks aaye |
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Answer» Likhne k pattern k liye....apko sample paper dekhne chahiye.....aur...likne k liye bhi apko...likh likh kr practice krni padegi... Bhai..Maths k liye ..Dekh harr particular sum ka formula or therom jo bhi apply kar raha sabh kuch detail kar k side m bracket de kar k likhna...Science k liye bio ka m bata sakta hun ki ...Answers point m likhna or main main words ko underline yaad se karna Exam likna ka pattern btao Maths m.....sabse pehle...ncert kro...i hope abhi tk apka course complete ho gya hoga .....toh ncert se ek aur bar practice kro....aur ncert k example bhi kr lena......aur...phir rd ya rs se practice kro....ok? Science m....ncert se padho aur.....uss k bad koi aur book jese s chand ya koi aur...usse padho.... Uss k questions k answer khud find kro....ncert k question answer bhi kr lina.....,? |
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| 14759. |
Prove that 2root3 is irrational number |
| Answer» Product of a rational and irrational always gives irrational. ??? | |
| 14760. |
Given 15 cot A =8. Find sin A and sec A. |
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Answer» SinA = 15/17 and secA = 17/8. Sin A =15/17 , Sec A = 17/8 15 and 1/8 |
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| 14761. |
How would I score good marks in board exam |
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Answer» Be contriverse in your study .. Shreya ji kuch batana tha Sorry sabko..and bye too For math..u go with owswaal it is best Make a time table....do quality study..do study with plan...ab n plan kr ke pado jyada book ke piche mt bhago ..jis book se pade ho ussi se revision kro...go with only ncert and sample paper...i m sure it is cover your 85 percent So sorry..pk ji ...? Do hardwork and regular revision Abhi se lag jao.....? |
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| 14762. |
Chapter 5 ex 5. 3Question 3 part 4 |
| Answer» Shsshs | |
| 14763. |
Ex 1 q 1 |
| Answer» Hcf or lcm hi to nikal na hai | |
| 14764. |
Show that √6+√2 is irrational number |
| Answer» Yes | |
| 14765. |
√2x2 + 7x + 5√2=0 |
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Answer» No answer √2 x² +7x +5\xa0√2 = 0⇒\xa0√2 x² + 5x + 2x + 5√2 = 0\ufeff\ufeff⇒\xa0√2x² + 5x +\xa0√2*√2*x + 5√2=0⇒ x(√2x\xa0+\xa05) +\xa0√2(√2x\xa0+ 5) =0⇒ (x+√2)(√2x+5)\xa0=\xa00That gives x=\xa0-\xa0√2 or x= -\xa05/√2 |
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| 14766. |
What is the marking scheme of each chapter |
| Answer» In board chapter-6,7,8,9,13 and 10 are most important chapters. | |
| 14767. |
Which book is good for standard math?? After completing the NCERT book |
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Answer» Tq sakshi Exam idea for standrd it is too good for you and i also used it ok and hi i am sakshi Cbse edu cart book available on Amazon Question Bank of oswaal and sample paper Educate book Ok Tq bro. Ncert exampler |
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| 14768. |
Rd sharma ex 13.4 |
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| 14769. |
Cos9A = sinA find the value of tan5A |
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Answer» It is so easy for me Cos9A = sinA => cos9A = cos(90 - A) => 9A = (90-A) => 10A =90 => A = 9. So, tan5A = tan 5×9 = tan45 = 1. |
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| 14770. |
Prove that the lengths of tangents drawn from an external point to a circle are equal. |
| Answer» First you have to take two triangles and the congruent them the you can prove tangents equal by cpct.... | |
| 14771. |
Rs Agarwal sol |
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Answer» Rs aggarwal is not so much important Which question |
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| 14772. |
In fig triangle ABC,D divides CA in the ratio 4:3 .If DE//BC, then find ar( quad.BCDE):ar (ABC). |
| Answer» 33:49 | |
| 14773. |
Mean fomula |
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Answer» According to 10 th grade Mean has three formulas which method you want.... Sum of observation/total no. Of observation |
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| 14774. |
If Y-1/Y=2, then Y^50-1/Y^50=? |
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Answer» Hollis food sillo someone will pass are physio issue dunno the day sanket good morning |
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| 14775. |
Is 0 and -1 prime number |
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Answer» No No |
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| 14776. |
The perimeter of a sector of a circle of radius 14cm is 68cm .find the area of the sector |
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| 14777. |
From the point on x |
| Answer» Sorry by mistake | |
| 14778. |
All formula used in 10th math |
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Answer» Highlight the main points on summary if you like to know all formula then find it yourself it may help you to learn you should study the summary of the chapter |
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| 14779. |
What is the total surface area of frustum of cone |
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Answer» Let the first radius be as \'r\'Let the second radius be as \'R\'Total surface area of cone = π{(r+R)l+ r^2+R^2} π(R+r)l+πR^2+πr^2 πl(R+r) + π(R^2 + r^2) ,where l = slant height, R and r are 2 radii of two bases. |
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| 14780. |
Determine the type of triangle whose vertices are (0,0), (2.7,0), (0,4.9). |
| Answer» Scalene traingle. | |
| 14781. |
A quadrilateral ABCD |
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Answer» Hi Shyamalata Complete your question Btao question kya h Hanji Write the whole question |
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| 14782. |
Find the are of a sector of a circle with radius 6cm if angle of the sector is 60 degree? |
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Answer» =132/7=18.71 60/360×22/7×6×6=1/6×22/7×6×6=22/7×6 22/7×6×6×1/6=22/7×6 Sorry 22/7× 6×6×1/622×7÷7 |
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| 14783. |
Define radius |
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Answer» Radius is half of the diameter. Radius is the distance between centre and circumference of the circle. I think I know u? Hi Vishal Rawat Draw a line segment from centre of cirle to circumference of circle are called radius A line drawn from the centre of the circle to any other point on the circle is define as radius. A straight line from the centre to the circumference of a circle or sphere. |
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| 14784. |
The perimeter of a sector is \' l \' and radius is \' r\' then fibd the area of the sector |
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| 14785. |
1×8×9+1 |
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Answer» It\'s 73Very simple... 73 73 73 73 |
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| 14786. |
Sin theta + cos theta = √2 cos theta |
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| 14787. |
When to HCF and LCM.....? |
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Answer» I know but sometimes the question will be to find TSA but they use CSA..... When there is need I mean when to use HCF and LCM |
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| 14788. |
how to score more in maths |
| Answer» Practice more and more of different questions including NCERT and other books | |
| 14789. |
I didnot get good marks in all term exam what are the steps to get 90 above in cbse board exam |
| Answer» Firstly don\'t take tension belive yourself and on your books study daily science ,sst and maths . revise every thing which you have studied in a week you must focus on ncert questions. Clear your concept. You can do anything and everything | |
| 14790. |
If the polynomial p x is divisible by x minus 4 and 2 is a zero of PX then find PX |
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| 14791. |
√x+4/√x+4 + √x-10/√x-10=5/2Solve for x |
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| 14792. |
Area of hexagon |
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Answer» Area of hexagon = 3√3/2 ( side)^2 3√3/2(side)² |
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| 14793. |
Give me a all formulas of class 10 |
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Answer» Av Kitabe khol lo sab milega Give me answers pls Or science Of maths |
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| 14794. |
Proove that 2lmda sec lemda upon tan beeta - tan alpha |
| Answer» Q. Sahi se bhejo tabhi to solve kare | |
| 14795. |
If the points A(k+1, 2k), B(3k, 2k+3) and C(5k -1, 5k) are collinear, then findthe value of k. |
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Answer» Sorry K=2 and K=1/2 Its simple , it is given that all three points are collinear i.e. area of points A,B&C is zero. So by putting formula: Area of points A,B&C =1/2 [X1 (Y2-Y3) + X2 (Y3-Y1) + X3 (Y1-Y2)]Where ,Area=0, X1=(k+1), X2=3k, X3=(5k-1), Y1=2k, Y2=(2k+3), and Y3=5k.We get X=2 and X=1/2.. |
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| 14796. |
what is a value of 1 PERCENT |
| Answer» 1/100 | |
| 14797. |
Number of faces in a cylinder are |
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Answer» 3 Three two |
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| 14798. |
Ch 11 class 10 solutions |
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| 14799. |
x^99 + 1/x^99 = 7x^99 - 1/x^99 = ? |
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| 14800. |
165 का स्क्वायर बताइए? |
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Answer» 27225 27225 27225 568658 |
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