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Question 1 reset
Mary jogs 9 km at a speed of 6 km per hour. At what speed would she need to jog during the next 1.5 hours to have an average of 9 km per hour for the entire jogging session?
Question 2 reset
A car travelling with \[\frac{5}{7}\] of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
Question 3 reset
How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10 % by selling the mixture at Rs. 9.24 per kg?
Question 4 reset
A man can reach a certain place in 30 hours. If he reduces his speed by \[\frac{1}{15}th\], he goes 10 km less in that time. Find his speed.
Question 5 reset
In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10 % ?

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