Average Question

Posted by admin at August 4, 2019

The average weight of 39 Students in a class is 23. Among them Sita is the heaviest while Tina is the lightest. If both of them are excluded from the class still the average remains same. The ratio of weight of Sita to Tina is 15:8.Then what is the weight of the Tina? 1. 15 […]

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Mixture

Posted by admin at April 7, 2019

In what proportion must wheat at 3.20 per kg be mixed with wheat at 3.70 per kg, so that the mixture be worth 3.35 a kg? (a) 9 : 5 (b) 7 : 5 (c) 7 : 3 (d) 3 : 1 (e) None of these 2. Prabhu purchased 30 kg of rice at the […]

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