jkc online exam
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 seminar class Active In SP Posts: 5,361 Joined: Feb 2011 28-02-2011, 04:34 PM   JKC Online Exa111.docx (Size: 286.84 KB / Downloads: 193) 1.A can finish the work in 24 days,B in 9 days and C in 12 days.B and C start the work but are forced to leave after 3 days.The remaining work was done by A in: A. 11 days B. 12 days C. 10 days D. 13 days 2. The ratio between the speeds of two trains is 7:8 if the second train runs 400kmts in 4Hrs, Then the speed of first train is ? A. 78Kmph B. 76Kmph C. 77Kmph D. 70Kmph 3. A shop keeper sells one transistor for Rs.840 at a gain of 20% and another for Rs.960 at aloss of 4% .His total gain or loss percent is: A. 15 5/17 percent B. 15 15/17 percent C. 17 15/17 percent D. 5 15/17 percent 4. A two-digit number is such that the product of the digits is 8. when 18 is added to the number,then the digits are reserved. the number is: A. 24 B. 25 C. 26 D. 29 5. In a certain school, 20% of students are below 8 Yrs of age.The no.of students above 8 Yrs of age is 2/3 of the no.of students of 8 Yrs age which is 48. What is the total no.of students in the school? A. 110 B. 125 C. 120 D. 100 6. The least number which is perfect square and is divisible by each of the numbers 16, 20 and 24 is: A. 3700 B. 3600 C. 4500 D. 3500
 divyavasanthi Active In SP Posts: 1 Joined: Feb 2011 05-12-2011, 07:58 PM sir is it all answers above are right?
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