Ratio of number of teachers to that of students \(= \frac{102}{3300}\)
\(= \frac{17}{550}\)
\(= 17:550\)
A shopkeeper sells an item at a 20 % discount on the marked price and still makes a 25 % profit. If the marked price is 500 rupees, what is the cost price of the item?
Explain why the bulb would not glow in the arrangement shown in Fig. 9.13.
Draw:
1) a leaf
2) a taproot and
3) a flower,
you have studied for Table 4.3