r-sat Exam undefined

solve the equation
1)4x^2-8x+3=0 2)2y^2-7y+6=0
options
1. if xy
.
.
.
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Read Solution (Total 5)

4x^2-8+3=0
2x(2x-3)-1(2x-3)=0
(2x-1) (2x-3)=0
x=1/2 ; x=3/2
7 years agoHelpfull: Yes(3) No(0)

Go with the trail and error method. you'll get x=1/2,y=2
8 years agoHelpfull: Yes(1) No(3)
1 ans is 1/2 or 3/2
2 ass is 3/2 or 2
7 years agoHelpfull: Yes(0) No(0)
x=1/2 or 3/2
y=3/2 or 2
7 years agoHelpfull: Yes(0) No(0)
X
6 years agoHelpfull: Yes(0) No(0)

r-sat Other Question

The bankers discount calculated for one year is 21times of his gain. find rate of interest??

a)7%
b)6%
c)4%
d)none MR.X deposited a certain sum of money in a bank in 1986. The bank calculated interest on the balance in the account at 10% simple interest and credited it to the account once a year.At the end of the 1st year ,X withdrew the entire interest and 20% of the initial amount. Again end of the 2nd year, he withdrew the interest and 50% of the remaining amount. At the end of the 3rd year, he withdrew interest and 50% of the remaining amount. Finally at the end of the 4th year , X closed the account and collected the entire balance of Rs.11,000.

The initial amount in rupees, deposited by X was:

A.Rs.75000
B.Rs.25000
C.Rs.50000
D.none of these