KVPY Stream-SA Math: Questions 208 - 212 of 251
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Question number: 208
Question number: 209
Question number: 210
A ladder 12 cm long is leading against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 3 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 5 cm away from the wall?