Chapter 9 Poblem Solving

Chapter 9 Poblem Solving - 2

1. Area of a triangle can be found by:

a) Quadratic formula
b) Hero's formula
c) none
d) Pythagoras formula

2. The BASIC equivalent for the formula � s(s-a)(s-b)(s-c) is:

a) SQRT(s *(s-a) *(s-b) *(s-
b) SQR(s-a) *(s-b) *(s-c)
c) SQR(s *(s-a) *(s-b) *(s-c))
d) � s *(s-a) *(s-b) *(s-c)

3. The flow of control between various symbols in a flow chart is represented by:

a) An oval shape
b) An arrow head
c) A diamond symbol
d) A rectangular block

4. The decision box has at least exits:

a) One
b) Four
c) Two
d) Three

5. Input/output in a flow chart symbol are placed in a:

a) Parallelogram
b) rectangular block
c) Square block
d) Circle

6. The formula for speed is:

a) Distance + Time
b) Distance * Time
c) Distance/Time
d) None of these

7. The formula for finding the average of three numbers is:

a) A+B+C/3
b) A + B * C/3
c) (A *B *C)/3
d) (A+B+C)/3

8. A computer can not detect errors:

a) Logical error
b) Execution
c) Syntax
d) None

9. Name the error which you think to exist in the formula c = c * d/c:

a) Execution
b) Syntax
c) Logical
d) None

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