Question
Classify the number $\sqrt {225} $ as rational or irrational.
✓
Answer
$\because$ $\sqrt {225}$ = 15 = $\frac {15} {1}$
$\therefore$ $\sqrt {225}$ is a rational number.
Here$ p = 15$
q = $1( \neq 0)$
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→|
Marks
|
$0 - 20$
|
$20 - 30$
|
$30 - 40$
|
$40 - 50$
|
$50 - 60$
|
$60 - 70$
|
$70$ and above
|
|
Number of students
|
$7$
|
$8$
|
$12$
|
$25$
|
$19$
|
$10$
|
$9$
|
$i. $Gets $20\%$ or less marks?
$ii$. Gets $60\%$ or more marks?