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In the number line shown below, PQ = QR = RS. Find the approximate value of Q, R and Q + R.
| Q | R | Q + R | |
|---|---|---|---|
| A | 2.9 | 2.7 | 5.8 |
| B | 2.6 | 2.8 | 5.4 |
| C | 2.7 | 2.8 | 5.5 |
| D | 2.7 | 2.9 | 5.6 |
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The line graph shows the number of desktop and notebook computers sold at Vansh's electronic store from September to December. Study the graph carefully and answer the following question.
(i) How many more desktop than notebook computers did the store sell in all four months?
(ii) What fraction of notebook computers sold in November of total sale of computers in that month?
| (i) | (ii) | |
|---|---|---|
| A | 250 | 2⁄5 |
| B | 320 | 4⁄9 |
| C | 275 | 3⁄7 |
| D | 345 | 5⁄8 |
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= ?
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Ans 1:
Class : Class 6
Answer is 1/4 as 1hr + 2hr + 1hr 30mins + 1hr 30mins = 6hrs.
In mins = 6 x 60 = 360 , 1 x 60 = 60 + 30 = 90.
360mins divided by 90 mins = 4 or 1/4 of 360mins or 6 hrs.
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