(a) Ratio of 81 to 108
\(=\frac{ 81}{108}\)
\(= \frac{3}{4}\)
\(= 3:4\)
(b) Ratio of 98 to 63
\(= \frac{98}{63}\)
\(= \frac{14}{9}\)
\(= 4:9\)
(c) Ratio of 33 km to 121 km
\(=\frac{ 33}{121}\)
\(= \frac{3}{11}\)
\(= 3:11\)
(d) Ratio of 30 minutes to 45 minutes
\(= \frac{30}{45}\)
\(= \frac{2}{3}\)
\(= 2:3\)
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?
Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
Column I | Column II |
N-______ | _________ |
N-________ | Attraction |
S-N | |
________-S | Repulsion |
Draw:
1) a leaf
2) a taproot and
3) a flower,
you have studied for Table 4.3