5.2R * 4.7Y = 107.4
R+Y=22
7 is n% of 490
a+1/b+1/c=16/7
6x+5:8-8-3x:16-2x=0
$\frac{6x+5}{3}$ = 4x-7
n% of 683 is 124
(1/x+1)+(2/x-1)=3/x-2
10 is n% of 782
The income of group of 20,000 persons was normally distributed with mean Rs 5,000 and standard deviation Rs 400.
a.
Find the exp...
325% of 750 is what number
