Recently Active Questions

Number of solns for x between 3 and 15 if \int_{0}^{x}{\left[t \right]}.dt=\int_{0}^{\left[x \right]}{t.dt} wer [.] is GIF ...

express (2^(1/3)-1)^(1/3) in the form of a,b,c (use only + or - btw a,b,c) where a= (1/9)^ (1/3), b= (2/9)^ (1/3), c= (4/9)^ (1/3) ...

*Image* ...

A person of 75kg climbs staircase of 24 steps 15cm ea in 12s Find 1) The force required in N ...

Q1. *Image* *Image* ...

Given a function f : [0,4] ----> R is differentiable , then for some \alpha , *Image* \epsilon (0 , 2) , \int_{0}^{4}{f(t) dt} equals to : a) f( \alpha 2) + f( *Image* 2) b)2 \alpha f( *Image* 2) + 2 *Image* f( \alpha 2) c ...

INTEGER TYPE QUESTIONS: 1) If sound level at a point is increased by 30dB thrn pressure amplitude increases approximately by 4x times find x. 2) A satellite is revolving in circular orbit of radius 3 units with velocity 1 uni ...

1..for stability of complex compounds we have to consider charge on central atom or whether it is inner or outer orbital complex ...

if sound level at a place is increase by 30Db pressure bcums 4x times . find x ...

plz do [multiple ans correct] *Image* ...

A solid wire shaped as a truncated cone is stretched by two forces applied parallel to the length in opposite directns and normal to plane ends.If Y is Young's modulus of wire's material, elongation of the wire is *Image* *Im ...

Consider a SMALL ANGLED PRISM placed between a point object O and a Concave Mirror (pole P) (OP<f). Then, why is it that the rays formed due to deviation by prism when traced back form an image in the plane of object or wh ...

FROM A FIXED POINT a ON THE CIRCUMFERENCE OF A CIRCLE OF RADIUS r THE PERPENDICULAR "AY" IS LET FALL ON THE TANGENT AT P . THE MAXIMUM AREA OF TRIANGLE APY IS: A) r2 B) 2√3 r2/4 C) 3√3 r2/4 D) √3 r2 ...

A compilation of quesitons similar to the way bhargav had one :P (hence borrowed a part of the name..) Keep solving and i will keep adding questions here... To begin with first 5 are here... Question 1) \left(\frac{dy}{dx}+1\ ...

Q1 3 digit number in which middle one is perfect square is formed using 1-9.Find sum Q2 Number of 6 digit numbers in which sum of digits is divisble by 5. Aslo find sum of such numbers ...

x \int \frac{\sqrt{2sin ( x ^ 2-1 ) - sin 2( x^2 -1 )}}{ \sqrt{2sin ( x^2 -1)+ sin2 ( x^2 -1 )} }where x^2 -1 \neq n\pi ans is log \mid \left( sec \frac{ x^2 -1 }{2} \right) \mid + c for practice ...

\int \frac{dx}{(1+\sqrt{x})(\sqrt{x + x^{2}})} ans is. \sqrt{2}log tan \left\{\frac{1}{2}(tan^{-1}\sqrt{x})+\frac{\pi }{8} \right\} + c ...

let α & β be the roots of the equation ax^2+bx+c=0,a≠0,then the sum of the series (α+β)^(2 )+(α^2+β^2 )+(α-β)^2+⋯upto n terms is equal to A)(n(a^2+(n-1)ac))/a^2 B)(n(a^2-(n-1)bc))/b^2 C)(n(b^2+(n-1)ac))/a^2 D)(n(b ...

1..are oxides of H,Bi,Ga,Tl,Sb,Po AMPHOTERIC ?????? 2.WHICH HAS GREATER IONIC CHARACTER --ZnCO3 OR MgCO3 ????? ...

Identify the correct order of acidic strengths of CO2,CuO,CaO,H2O A. CaO<CuO<H2O<CO2 B. H2O<CuO<CaO<CO2 C. CaO<H2O<CuO<CO2 D. H2O<CO2<CaO<CuO ...

Q1 A bag contains 10 white and 10 black balls.A perosn draws two balls at a time without replacementand rpeleats till bag is empty.The probablity tha the draws the balls of same color each time Q2 The number of ordered pairs ...

1. write reaction of F2 with water. 2. write the ascending order of boiling pts of H2O,H2S,H2,H2Se,H2Te 3. Is mole fraction constant with change in temperature?if yes,why? 4. what is the promoter in contact process (was there ...

AB has NaCl type structure. If the radius of the cation A is 90 pm, then the radius of the anion will be ...

the sum of solution of the equation sinπx=x2-7x+12 is k which can be expressed as the prouct of two prime numbers.the sum of the primes= ...

*Image* ...

Find the modulus and argument of the complex number z1=z2-z if z=cos θ + i sin θ ...

*Image* ...

The smaller area enclosed by y = f(x) when f(x) is polynomial of least degree satisfying *Image* 1/x = e and the circle x2 + y2 = 2 above the x axis is a) \pi / 2 b) 3/5 c) \pi /2 - 3/5 d) \pi /2 + 3/5 ...

*Image* ...

i had a wierd doubt..y is dsp2 square planar while sp3 is tetrahedral?? ...