Find the ratio of the following in the simplest form:(i) 75 paisa to Rs. 3
(ii) 35 minutes to 45 minutes
(iii) 8 kg to 400 gm
(iv) 48 minutes to 1 hour
(v) 2 metres to 35 cm
(vi) 35 minutes to 45 seconds
(vii) 2 dozen to 3 scores
(viii) 3 weeks to 3 days
(ix) 48 min to 2 hour 40 min
(x) 3 m 5 cm to 35 cm.
A thief , after committing a theft , runs at a speed of 50 m/min . After 2 mins , a policeman runs to catch him. He goes 60m in the first min and increases his speed by 5 m/min every succeeding minute. After how many minutes,the policeman will catch the thief?