Question

do as direct
7) Arun purchased a laptop for Rs. 24000 and spent Rs. 1000 on repairing it
. If he sold it
for Rs. 28,000 Calculate his profit or loss percent.
8) in a right angled triangle POR, PO - 6cm PR -10cm and 2 = 90Find the
length of QR
a
9) In the given figure, a || b. Find the value of 'x and y.
130
b
10) Find the value of the expression 4yx - 7y+10 when y= (-3).​

Answer 1

Step-by-step explanation:

7. cost price (c.p)=24000+1000=25000

selling price (s.p)=28000

profit=(s.p)-(c.p)=28000-25000=3000

profit%

=3000×100/25000=12