Question
In a college the ratio of boys and girls are in the
ratio 7:9. 65% girls and 40% boys were absent. Find the girls present if the total number of students in a college were 320.Solution
Boy: Girl = 7:9 Total number of students = 320 Number of Boys = (7/16) × 320 = 140 Number of Girls = (9/16) × 320 = 180 Number of girls absent = 65% × 180 = 117 Number of boys absent = 40% × 140 = 56 Total number of girls present = 180 – 117 = 63
In a certain code language, âCHAIRSâ is written as 'XIXRSP' and âSOUNDSâ is written as 'HPRMEP'. How will âDEFINEâ be written in that language?
If 20 + 8 * 5 = e, then find the value of e < 2 > 4.
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the fustletter-cluster and the ...
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What is the code for âyour mayâ?
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In a certain code language, âSAPLINGâ is written as âVXSILKJâ. How will âMANIFESTâ be written in the same language?
How many persons live between A and W?
