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| Q.16 | The frequency of a yellow flicker torch is set at four times per minute and a red flicker torch is set at five times in two minutes. If both torches start flickering at the same time, the number of times they flicker together in each hour is nearest to______ | |
| Ans | 1. 24 | |
| 2. 60 | ||
| 3. 20 | ||
| 4. 30 |
Correct Ans Provided: 4
