Q1
1,11,21,1211,111231,31121311,132112111321,?
What is the question mark?
Q2
In the fraction 9/31, an addition of x in the numerator and a subtraction of x in the denominator will cause fraction to become 3/5. Find the value of x.
Q3
In a Math test, the average score for the class is 91.2. There are 21 girls in the class, with an average of 92. The average score for the boys is 90.5. How many boys are there in this class?
If any of you can answer 1 of this questions in 3 minutes, you will be considered pro as i took some time to answer this especially the 1st 1. Samuel took lesser than a minute! Sean don't know how to do. :P
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