of its usual speed covers 45 km in 1 hour 40 mins 48 secs. What is the usual speed of the car?
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Shalu conducted a survey on the different interests of her classmates but has not completed filling in the information in the table below.
Using the following information, find the value of P, Q and R .
(i) Twice as many boys as girls like swimming.
(ii) A total of 28 boys and girls like cycling, 6 more boys than girls like cycling.
(iii) Out of a total of 35 boys and girls who like to read, 
of them are boys.
| P | Q | R | |
| A | 8 | 17 | 28 |
| B | 7 | 11 | 12 |
| C | 32 | 11 | 12 |
| D | 32 | 17 | 28 |
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