Mathematics · Arithmetic
A water tank is filled using a pipe such that the water level rises by 2 cm every minute. Keerthi started measuring the height at 9:45 am. At 9:47 am, the height of the water was 23 cm. What was the height of the water level at 9:40 am?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116 cm
- 211 cm
- 310 cm
- 49 cm✓
Correct answer
9 cm
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