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(1) i .distance travelled by sohan in 1 hr = 60 , and distance travelled in 1/2 hr = 60/2 = 30 .
so, distance travelled by sohan in 1 1/2 hr = 90 km
(ii) time taken by him = distance /speed
= 120 /60 hr = 2 hr
(2) x+ 10 = y
so, distance travelled by sohan in 1 1/2 hr = 90 km
(ii) time taken by him = distance /speed
= 120 /60 hr = 2 hr
(2) x+ 10 = y
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