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In a class, 3/7 of the students are girls and rest are boys. If 1/3 of the girls and 1/5 of the boys are absent. What part of the total number of studen...
Sum of two digits of a two digit number is 11. When digits of the number are reversed then number formed is 45 more than the original number. Find the ...
If the 4-digit number y29z is exactly divisible by 9, what is the least value of (y + z)?
Find the maximum number of trees which can be planted, 25 meters apart, on the two sides of a straight road 2125 meters long?
The ratio of two natural numbers 'u' and 'v' is 3:4, respectively. When 12 is added to 'u' and 8 is subtracted from 'v', the ratio of 'u' to 'v' becomes...
In a particular examination, Cheenu achieved 48% of the total marks and fell short by 72 marks to pass. On the other hand, Meenu obtained 68% of the tot...
Range of the given data 23,19,16,17,21,9,18,6.
The ratio of present boys to girls is 3:2. 10 girls are absent, which is 20% of the class. No boys are absent. Find the number of boys.