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What are two numbers that equal twenty but are four numbers apart?
6+6+6+6=20
What two digits equal 31in addition and 150 in multiplication?
181
How many two digits numbers are there in which the product of the digits is even?
two
What two prime numbers equal a 400 digit number?
I'm sure there are more than 2 prime numbers that are 400 digits long.
What is a four digit number with ascending digits whose first two numbers have a difference of two the third digit is even and the sum of the first three digits equal the last digit?
1348.
What two digit numbers whose two digits added together equal 42 and multiplied together equal 82?
Two (or four) digits added together cannot equal 42. Two-digit numbers multiplied together cannot equal 82.
How many whole numbers between 100 and 400 have the sum of their two digits equal to another digits?
I believe here are 51 such numbers.
What two digits equal 31 in addition and 150 in multiplication?
181
What are two numbers that equal twenty but are four numbers apart?
6+6+6+6=20
What two digits equal 31in addition and 150 in multiplication?
181
What are two numbers that equal 22 but are 6 apart from one another?
8 and 14
How many two digits numbers are there in which the product of the digits is even?
two
What are whole numbers which will not split into two exactly?
Odd numbers. I presume you mean won't split into two equal parts. There are no numbers apart from one that won't split into two exactly.
What are Two nine digit numbers divided to equal pi?
No two numbers that can be completely written down with digits can be added, subtracted, multiplied, or divided to equal PI. If they could be divided to equal PI, then PI would be a rational number. But it isn't.
What two prime numbers equal a 400 digit number?
I'm sure there are more than 2 prime numbers that are 400 digits long.
What is a four digit number with ascending digits whose first two numbers have a difference of two the third digit is even and the sum of the first three digits equal the last digit?
1348.
What two numbers when multiplied together equal 225 and are 3 numbers apart numerically?
13.574813431681335 and 16.574813431681335 Also -13.574813431681335 and -16.574813431681335
