Starting from Town S, Mr. Ahsan drove straight East for 3 kms, then he turned left and drove straight North for 4 kms and stopped at Town T. What is the straight-line distance from Town S to Town T?
A2√3 kms
B5 kms
C8 kms
D√7 kms
Answer: B - 5 kms
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A farmer has two rectangular fields. The larger field has twice the length and four times the width of the smaller field. If the smaller field has area k, then the area of the larger field is greater than the area of the smaller field by what amount?
A2k
B6k
C7k
D8k
Answer: C - 7k
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A painter has painted one-third of a rectangular wal which is ten feet high. When he will paint another 75 sq. feet of that wall, he will have finished three-quarters of the job. What is the length of the wall?
A10 feet
B12 feet
C18 feet
D9 feet
Answer: C - 18 feet
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