A student took five papers in an examination, where the full marks were the same for each paper. His marks in these papers were in the proportion of 6 : 7 : 8 : 9 : 10. In all papers together, the candidate obtained 60% of the total marks. Then the number of papers in which he got more than 50% marks is:
Correct Answer : C
For constructing the working class consumer price index number of a particular town, the following weights corresponding to different group of items were assigned: Food-55, Clothing-10, Rent-8, and Miscellaneous-12.
It is known that the rise in food prices is double that of fuel and the rise in miscellaneous group prices is double that of rent. In October 2006, the increased D.A. by a factory of that town by 182% fully compensated for the rise in prices of food and rent but did not compensate for anything else. Another factory of the same locality increased D.A. by 46.5%, which compensated for the rise in fuel and miscellaneous groups.
Which is the correct combination of the rise in prices of food fuel, rent and miscellaneous groups?
Forty percent of the employees of a certain company are men, and 75 per cent of the men earn more than Rs. 25,000 per year. If 45 per cent of the company's employees earn more than Rs. 25,000 per year, what fraction of the women employed by the company earn Rs. 25,000 per year or less?
Each of two very large glass jars contains mixtures of nitric acid and distilled water. In one jar there is 5 times as much acid as there is distilled water, and the other jar contains 3 times as much distilled water, as there is acid. In order to fill an empty glass jar of 7 litre volume with half acid and half distilled water, the volume of mixtures in litres to be drawn off from the first jar and the second jar are respectively.