Recently Active Class Vii X Mathematics Questions

Find x satisfying the eqn log 4 +(1+\frac{1}{2x})log3 = log(\sqrt[x]{3}+27) ...

Kya aap tenth pass se tej hein? . Are u smarter than a tenth grade? check out.............!!!!!! Solve these easy tenth level questions. for everyone..... 1. If triangles ABC and ABM are similar then LA + LD = ? 2. The sum of ...

6!/r!(8-r)!=1 solve for r ...

Given, A triangle ABC in which DE is parallel to BC. DC and BE intersect at O such that area of triangle ADE = 3 sq. units and area of triangle DOE = 1 sq. unit. Find the area of triangle ABC.... Thinking over the problem sin ...

Find the value of: tan81° - tan63° - tan27° + tan9° ...

Evaluate \huge \frac{1}{2-\frac{1}{2-\frac{1}{2-\frac{1}{2-\frac{1}{2-.....\frac{1}{2-1/2}}}}}} We have 100 2's ...

Here is a very good trick to find a pythagorian triplet: 1.Square a number. 2.Add 1 to that number and subtract 1 from it 3.Divide the two numbers by 2 4.All the three numbers will give you a pythagorian triplet For eg: 1. 52 ...

Just like 2 is the smallest natural number which can be represented a sum of two cubes in one way. i.e. - 2 = 13 + 13 Find the smallest natural number representable in two different ways as a sum of two cubes. ...

There is a n-sided regular polygon having n number of vertices. I randomly choose a line segment joining any 2 vertices of the polygon. What are my Chances that it is a diagonal of the polygon. *Image* I hope that the questio ...

in an isoceles right angled triangle ABC....... *Image* given, BM2+CN2=MN2 find angle MAN.... ans- 45° also try for scalene rt angled triangle..... ...

though i posted it in 9-10th section.....but everybody is allowed to ans(except experts) *Image* in teh adjoingin fig a circle meets the triangle ABC at 6 points..... *Image* ...

1002004008016032 has a prime factor p>250000. Find it. Source(David A Santos) Hint: (a^3-b^3)(a^3+b^3) Even though I have put it in the class ix - x level.. it needs a bit of application which is not generally known at ix- ...

Can we find a non-const. Polynomial which is prime for all integers x? The co-efficents of the Polynomial are all integers. ...

If m men can do a job in d days , then the number of days in which m+r men can do the job ? 1.d+r 2. d/m (m+r) 3. d/m+r 4. md/m+r Details Should be included ! ...

Which one is greater 1234230/2468462 or 1234231/2468464 ? ...

*Image* <RSB=Xo <SAR=Yo AB=18 SR=5 FROM THE ADJIONING FIGURE ,FIND : i) tan xo ii) sin yo iii) cos yo ...

factorize a3(b-c)3 +b3(c-a)3 +c3(a-b)3 ...

we are allowed to exchange any 2 rows and any 2 coloumns of a 8x8 chessboard whose squares are alternately painted black and white in the usual manner.By a sequence of such changes, can we obtain a board whose left half is bl ...

This one is a very very simple one for nay one in class xi-xii but ffor the sub xi guys.. Write 105 as teh sum of consecutive integers in 8 ways... Dont just give the answer but also think why it works! ...

Given that a,b are odd and c,d are even,then A. a2 - b2 + c2 - d2 is always divisible by 4 B. abc + bcd + cda + dab is always divisble by 4 C. a4 + b4 + c3 + d3 + c2b +a2b is always odd D. a +2b +3c +4d is odd ...

numbers of pair(s) of prime(p,q) satisfying the condition p2 - 6q2 = 1 is A.1 B.2 C.3 D.infinite show me step by step the solution ...

AA A>0 + BB B>0 CDC All A,B,C are digits. Find D A.4 B.3 C.2 D.1 ...

what is the unit digit of N if N = (289)5 *(587)7 *(1156)9 *(17)15 without actual multiplying A.8 B.5 C.3 D.6 show me how to do this 1 step by step ...

if xy=yx and x2=y, where x and y are dinstinct positive real integers then the value of of x+2y is ...

If (a-7)2 + (b-5)2 + (c+3)2 = 0 Then find the value of a, b and c. ...

what will happen if you kept multiplying \\(1+1/2) \\(1+1/2)(1+1/4) \\(1+1/2)(1+1/4)(1+1/16) \\(1+1/2)(1+1/4)(1+1/16)(1+1/256) \\(1+1/2)(1+1/4)(1+1/16)(1+1/256)...... and so on? would you get a finite number or an infinite on ...

ABC IS A TRIANGLE RIGHT ANGLED AT C , A LINE THROUGH THE MID POINT M OF HYPOTENUSE AB AND PARALLEL TO BC INTERSECT AC AT D SHOW THAT- (a)D IS THE MID POINT OF AC (b)MD IS PERPENDICULAR ON AC (c)CM = MA = 1/2AB HEP SOLVING IT! ...

You have in all 500000 notes of 1, 10, 100, 1000 dollars in all. Can the total sum be 1000000? (Strictly for IX-X) Others post the solution but only by hiding it Question Courtesy: Bhargav ;) ...

prove that \sqrt{(x_1-x_2)^2+ (y_1-y_2)^2}\le \sqrt{x^2_1+y^2_1}+ \sqrt{x^2_2+y^2_2} for all real numbers x_1,y_1,x_2,y_2 HINT: proceed by forming a triangle with suitable coordinates ...

Find a and b given that (x^6+1) = (x^2+1)(x^2+ax+1)(x^2+bx+1) is an identity ...