L&T Company Numerical Ability Boats and Streams

A man can row 24 km upstream and 30 km downstream in 15 hours. Also, he can row 20 km upstream and 40 km downstream in 14 hours. The rate of the current is: A) 5 km/hr B) 3.5 km/hr C) 4 km/hr D) 4.5 km/hr E) 3 km/hr

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L&T Other Question

A square garden has sixteen posts along each side at equal interval. Find how many posts are there in all four sides: (A) 64 (B) 58 (C) 62 (D) 60 If a student decrease his speed by 25% of original seed, he reach school 8 minute late. What is his usual time of reaching school (in minutes)? (A) 28 (B) 30 (C) 20 (D) 24 (E) 32