CDAC CAT SectionA Practice Questions

41. A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject, if the 3rd paper is for 50 marks.





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42. A student is ranked 18th from right and 12th from left. How many students are there in totality ?





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43. What is the angle between the two hands of a clock when the time is 9:30?





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44. If 20th June 2008 is a Friday, what day will it be on 19th June 2038?





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45. The binary representations of first n natural numbers are written on a paper. The total number of 1ís used is 17. Find n.





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46. A takes 18 while B takes 9 days to do a certain piece of work. A starts working and B joins him after 3 days and together they finish the work. Find the total number of days taken to finish the work.





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47. After offering a discount of 20% on the MRP of Rs.500, an article is sold at a profit of 25%. Find the CP of the article.





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48. The CI for two years on a principal of Rs.800 is Rs.352. Find the rate of interest.





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53. What is the smallest number by which 2880 must be multiplied in order to make it a perfect square ?





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54. The ratio of the number of boys and girls in a school is 5:4 Of these 60% boys and 75% of girls pass the English test. Find the percentage of students who failed the test.





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