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all possible two factors product are formed from the no. 1,2,3,4,.....200 the no. of factors obtained out of total which are multiple of 5 is

in a club election the no. of contestants is one more than the no. of maximum candidates for which a vote for. if the total no. of ways the voter can vote is 62,then what is no. of candidates

two circles of radii 2cm and 4cm touch each other.find the are of triangle formed by drawing all the three tangents of the circle?

the greatest possible no. of points of intersection of 8 straight line and 4 circles is

in an election there are five candidates and three members are to be elected and an elector can vote for any no. of candidate not greater than the no. to be elected. then the no. of ways the elector may vote is?

ABCD is a convex quadrilateral.3,4,5&6 points are marked on the sides AB,BC, CD and DA respectively the no. of triangles formed with vertices on different sides is

number of unequal non negative(including 0) integral solutions of a+b+c+d=20(the answer is 552)

A rectangular swimming pool is 48m long and 20 m wide. the shallow edge of the pool is 1 m deep. For every 2.6 m that one walks up the inclines base of the swimming pool , one gains an elevation of 1m. What is the volume of the water( in cubic metres) in the swimming pool. Assume that pool is filled up to brim.

No. of different ways of painting all 6 faces of a dice using 6 different colors?

If y is a real number,what is the difference in the maximum and minimum values obtained by y+5/y^2+5y+25.Please explain in detail how we go about solving this problem.