vvishal

Originally Posted by vvishal

(1) if r>t , r<1 and rt=1 then which of the following must be true?

(a) r>0 and t<-1
(b) r>-1 and t<-1
(c) r<-1 and t<-1
(d) r<1 and t>1
(e) r>1 and t<0

(2) if x and y are the integers such that 0<x+y<10 ,then which of the following must be true

(a) xy<2
(b) x>3
(c) x>4
(d) x+y=5
(e) x-y<8

(3) if line segment AD has midpoint M1 and the line segment

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Originally Posted by vvishal

(1) in a far city 90% of thee population owns a cycle ,15% own a car and everybody owns a cycle or a car or both . what % of the population own a car but not a cycle?
(a)10%
(b)20%
(c)30%
(d)40%