In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?
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In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.
Ram travels 4/9th of the total journey by bus, 5/18th by rail and the remaining 10 km on foot. Find the distance of total journey.
Select the word with the correct spelling.
Which of the following is a Synthetic rubber?
If 4x - 7y = 3 and 2x - y = 9, then x - y is.
The power of an earthquake is expressed in terms of a magnitude on a scale called __________ scale.