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Average marks of all the students = 1680/40 = 42 Applying Alligation we get 
Number of boys in the class = 5/8 × 40 = 25
Given below are two statements
Statement I : The given set of numbers (5,6,7,p,6,7,8,q) has an arithmetic mean of 6, and its mode (the number...
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 ...
Bhawna won 3/5 of the marbles that were there at the beginning of the game. Ravi won 2/3 of the remaining marbles while Sunny won the remaining 80 marbl...
Manas ordered 6 Levis jeans and some additional Blackberry jeans. The price of one Levis jeans was twice that of one Blackberry jeans. When the order wa...
Find the smallest number by which 6300 must be multiplied to make it a perfect square.
Which of the following is a Prime Number?
What is the average of first 32 multiples of 3.2?
There are three numbers 'u', 'v' and 'w' (u < v < w) such that 'v' is equal to the average of 'u' and 'w'. 80% of 'w' is equal to 'u' and the difference...
Determine the unit digit of the product: 785×6194×319×1296
Find the geometric mean for the series given below.
31, 93, 279
