Answer:
Consider enlarged length of bacteria be
Actual length of bacteria
Length | ||
Enlarged length |
Length and enlarged length of bacteria are in direct proportion.
So, the enlarged length of bacteria is
2. In a model of a ship, the mast is high, while the mast of the actual ship is high. If the length of ship is, how long is the model ship?
Answer:
Consider the length of model ship be
Length of actual ship (in m) | ||
Length of model ship (in cm) |
Here, length of mast and actual length of ship are in direct proportion.
So, the length of the model ship is .
3. Suppose of sugar contains crystals. How many sugar crystals are there in
(i) of sugar?
(ii) of sugar?
Answer:
(i) Consider,
Sugar crystals be .
Weight of sugar (in kg) | ||
No. of crystals |
Table title: In table weight of sugar and No. of crystals
Table description: In table weight of sugar and No. of crystals
Weight of sugar and number of crystals are in direct proportion.
So, the number of sugar crystals is
(ii) Consider sugar crystals be .
Weight of sugar (in kg) | ||
No. of crystals |
So, the number of sugar crystal is