Question
Shekhar walked a distance at a speed of 8 km/h. He was
in a hurry, so on the return journey he travelled in an autorickshaw a speed of 24 km/h. Find his average speed for he entre journey.Solution
The correct answer is C
A shopkeeper blends 5 kg of coffee at Rs. 12 per kg with 7 kg at Rs. 8 per kg. What is the cost price (in Rs.) of the mixture per kg?
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Glass S initially holds 200 ml of coke, while Glass T contains 110 ml of soda. First, 40 ml of coke is transferred from Glass S to Glass T. Then, 30 ml ...
A merchant mixes 9 kg of beans at Rs. 7 per kg with 6 kg at Rs. 5 per kg. What is the cost price (in Rs.) of the mixture per kg?
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