Q. The marks of 15 students (out of 50) in an examination are:-
35, 20, 22, 26, 31, 21, 40, 19, 17, 19, 25, 29, 23, 17, 24 
Find : mean, median and modal marks. 

Q. What cross section is made in the following solids by a (i) Vertical Cut  (ii) Horizontal cut 
a) Triangular F-Pyramid 
b) Sphere 
c) Cone. 

Q. In triangle EDC, EC = 12cm, AC = 4cm and ED = 5cm. Find the  

i) area of triangle EDC 
ii) DB 

Q.  Solve the following equation and check your answer. 
a. x/2-5 = x/3 -4
b) 5(2x - 3) - 3(3x - 7) = 5 

Q. Using law of exponents, Evaluate 
${\left[{\left(\frac{3}{4}\right)}^2+{\left(\frac{9}{4}\right)}^2-{\left(\frac{8}{7}\right)}^0\right]}^2$