Ii. If the ordinary bus takes 2 hrs more than the express bus, calculate speed of the express bus.
8.
In a class test, the sum of Ram's marks in Mathematics and English is 30. Had he
got 2 mark more in Mathematics and 3 marks less in English, the product of his
marks would have been 210. Find his marks in two subjects.
An association has a fund of Rs 780. In addition that, each member of the asso-
ciation contributes money equal to the number of members. The total money is
divided equally among the members. If each of the members gets Rs 56, find the
number of members in the association.
1.a. consult to your teacher
2a. x²-16=0 b. x2-16=0
b.2.
c. x2-16 = 0
c. ax2+bx+c=0
d. x2-36-0
+6
d +7