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From statement I: No proper information is given. From statement II: No proper information is given. From I and II together, it is clear that there are 20 persons sitting in the row.
Find the number of even numbers between 12 and 30.
Four consecutive two-digit odd numbers add up to a total that, when divided by 10, results in a perfect square. Which of the following options could be ...
Find the third proportion of 28 and 14.
If the 4-digit number m52n is exactly divisible by 9, then what is the least value of (m + n)?
15% of a number is 1.2. Find that number.
How many numbers between 150 and 600 are divisible by both 5 and 7?
The sum of two distinct positive natural numbers is 246, and their difference is 34. Calculate 10% of the product of these two numbers.