Question
A person walks 35 km South. Then he turns East and flies
20 km, then he turns to its left and walks 15 km, then he turns and walks 20 km towards West. Where is the person now with respect to its starting position?Solution
Required distance = 35 – 15 = 20 Km.
 Find the range of the given data:
18, 23, 36, 41, 55, 12, 62, 50, 48
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Find the value of 'a' in the given data if the mean of the given data is 20.
10, 15, 18, 22, 24, 19, 21, a, 16, 25
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