Question
A man travelled at a speed of 20 m/min for 100 min, and
at a speed of 70 m/min for 50 min. His average speed is:Solution
The correct answer is D
Cost of two types of pulses is Rs.25 and Rs, 30 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
A rectangular ground is fenced at a cost of Rs. 2880 at the rate of Rs. 6 per metre. If the ratio of its length to breadth is 3:2, find the length of th...
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The average cost of two chairs is Rs. 15000. The average cost decrease by 30% when one more chair is included. What is the cost price of the 3 rd <...
The length of a rectangle is 5 metres more than its width. If the perimeter of the rectangle is 50 metres then what is the area (in m2Â ) of ...
The length of a plot is six times its breadth. A playground measuring 300 square metres occupies half of the total area of the plot. What is the length ...
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