Archery Arrows
Number Theory
Level
2
Ram was playing “archery” game. He had 10 arrows. For each hit at the center he gained two additional arrows. Ram made 20 trials.
How many times did he hit the center?
10
6
5
8
4
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1 solution
Since Ram made 20 trials in total and number of arrows with him are 10. Clearly, 10 more arrows are required for 20 trials and for each hit at the centre 2 more arrows are gained. Thus, for 10 more arrows he should hit 5 times at the centre.