Question

A train covers a distance of 360 km at a uniform speed. Had the speed been 5km/hour more, it would have taken 48 minutes less for the journey. Find the original speed of the train

in the figure,angle bad=40 then find angle bcd

11 chapter perimeter and area

11 chapter perimeter and area

1. composition return and quaterly return m kya difference hota h 

Find the zeroes of the quadratic plynomial x^2 

Two positive numbers have their hcf as 12 &their product as 6336 the number of pairs possible for the numbers is

Let A and B be two events. IfP(A)=0.2,P(B)=0.4,P(A cup B)=0.6 , then P(A|B) is equal to (a) 0.8 ( b) 0.5 ( ) 0.3 (d )

Aakhir  Aryabhatta ne hi zero ka aviskar kyu kiya voh isliye taki back benchers ko unki haqiqat pata chal jai :0