15% of a number, when added to 30% of another, gives 24% of the sum of the two numbers. The bigger number is 4 more than the smaller one. What are the numbers?
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Two numbers are in ratio 3:4. When 3 is subtracted from both the numbers, the ratio becomes 2:3. Find the sum of the numbers.
The average of two numbers is 10 and the product of two numbers is 96. Find the two numbers.
The sum of the square of three consecutive odd numbers is 2195. Find the numbers.
____ are twin prime numbers.
Find the sum of first 8 odd prime numbers.
Select the missing number based on the given related pair of numbers.
1990 : 1394 :: ___ : 2017
'P' is the smallest positive integer such that every positive integer N greater than 'P' can be written as a sum of two composite numbers. Then 'P' is