Recently Active Questions

Guys,I need some help regarding a question. Two ice cubes get stuck to each other when pressed together. Why? Can anyone answer this question for me? It's a bit urgent as my exam is on Tuesday. ...

When a body is dropped, it falls with a speed proportional to its weight. Is it: (1) Always true (2) True only if objects fall in a vacuum (3) True only if objects fall through air (4) Never true ...

*Image* ...

integrate 1/1+x^4 ...

*Image* ...

If 1021 molecules are removed from 200 mg of CO2 then the number of moles of CO2 left is 2.88 x 10-3 1.66 x 10-3 4.54 x 10-3 1.66 x 10-2 Your Answer Not Attempted Correct Answer a please show me the calculation. ...

Two distinct numbers a and b are chosen randomly from the set {2, 22, 23, 24, ......, 225}. Find the probability that logab is an integer. ...

If the sum of the roots of the equation 2333x-2+2111x+1=2222x+2+1 is expressed in the form a/b find a + b, where a/b is in its lowest form. ...

*Image* ...

*Image* please post the solution ...

The solution of the equation 2{x^2} + 3x - 9 le 0 is given by a) frac{3}{2} le x le 3 b) - 3 le x le frac{3}{2} c) - 3 le x le 3 d) frac{3}{2} le x le 2 ...

*Image* Please post the solutions ...

Prove that sin2θ=(x+y)2/4xy possible for real values of x and y only when x is equal to y. x not equal to 0. ...

In th adjoining figre, quadrilateral ABCD is circumscribed. If the radius of the incircle is 10cm and AD perpendicular to DC, find value of x *Image* ...

Prove that tan 8θ -tan 6θ- tan 2θ = tan 8θ tan 6θtan 2θ ...

*Image* ...

The planet which has maximum presence of gas in our solar system is a) Jupiter b) Mars c) Saturn d) None of them ...

*Image* ...

All of you must have solved or at least tried to solve river-crossing or gorge-crossing riddles, with some conditions, but believe me, this one is really typical... There was a group of two teachers (one male and one female) ...

there is a city..which is full of thieves....john wants to send a ring to mary...but since the city is full of thieves..so he put the ring in a box...and put a lock on it...if he sends this to mary...mary cannot open it since ...

*Image* ...

*Image* ...

*Image* ...

*Image* ...

*Image* ...

A flight of stairs has 10 steps. A person can go up the steps one at a time, two at a time, or any combination of 1's and 2's. Find the total number of ways in which the person can go up the stairs. ...

*Image* ...

*Image* ...

*Image* ...

*Image* ...