A girl of height 120cm is walking away from the base of a lamp where a hoarding is kept at a speed of 87m/min. If the lamp post is 3m above the ground, find the length of her shardow after min.
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hiii i will tell you the answer and it is fully correct and justify and i have just now sloved in my copy so the ans is 174 after 3 min so when you will divide it by 3 it will give you final ans
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