Question

1.
What is the modulus of the complex number
cos .+ i sin e
where i = -1?
cos - i sin
1
(a)
2
(b) 1
(c)
3
2.
(d) 2​

Answer 1

Answer:

61. If x and y are in direct proportion, the

6

1

1

and - are in

>

A. direct proportion C. anyone of above

Briverse

D. none of above

proportion

6

62. The area of a triangle with base 12cm and

perpendicular distance from base to its vertex

is Scm is

30 sq.cm

€.45 sq.cm

B. 60 sq.cm

D. 50 sq.cm

63. A cube of 5 Cm is painted on all its sides.

If it is sliced into 1 cubic cm cubes, how

many I cubic cm cubes will have exactly one

side painted?

A. 27

C. 54

B. 42

D. 142