self Maths Puzzle

wages of laboures in a factory incerased in the ratio of 22:25 and there was a reduction in labourers in ratio of 15:11.Find the original wage bill if present is 5000 rupees?

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self Other Question

On a journey across HYD, a taxi averages 30kmph for 60% of distance and 20kmph for 20% of diatance,and 10kmph for remainding.what is the average speed of whole journey? 3,10,13,28,31,__