Paul can complete a project in 6 days. with the help of an intern, he can do it in 4 days.in what time can the intern complete the work alone.
a) 6 days
b) 6 1/4 days
c) 12 days
d) 12 1/2 days
Two trains are opposite to each other , bird is on one train . Speed of both trains are 25km/hr & 50 km apart . When trains starts(against each other) , bird also start flying from one train to other , till they clash. Speed of bird is 100km/hr . Distance traveled by bird till trains clash. ?
A. 100
B. 86
C. 98
D. 45
One card is drawn from a pack of 52 cards. each of the 52 cards being equally likely to be drawn. find the probability that the card drawn is '9' or hearts.
a)1/13
b)1/26
c)1/52
d)3/52
The difference between two numbers is 13th when the larger number is divided by the smaller one the quotient is 6 and the remainder is 15 the smaller number is
There is something I don't understand about algebra: It has been around for thousands of years, yet no one has ever found out what the value of "x" or "y" really is.
Richard van der Merwe
mathematics is very useful for us.this is truely motivation subject.i really appreciate.