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Question 1
A batsman scores 90 run in his 12th match and thereby increases his average by 5. Find new average.
Question 2
A boat cover 45km in downstream & 16 km in upstream. Boat takes total 9hr cover this Distance. The time taken to cover 18 km in downstream is equal to time taken by boat to cover 8km in upstream. Find speed(km/h) of boat in still water.
Question 3
Speed of a boat during upstream is 11 km/hr & speed of current is 2.5 m/sec. Then find speed(km/hr) of boat during downstream?
Question 4
Which is largest fraction among 
Question 5
729 litres of a mixture contains milk and water in the ratio 7:2. How much water is to be added to get a new mixture containing milk and water in the ratio 7:3 ?
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Jun 5CDS & Defence
