1 + 5 * 3 ÷ 15 =

The number that does not have a reciprocal is?

What is the next number in the sequence? 1000 1001 1010 1011 1100 ...

Where should parentheses be added to make the following expression true? 2 * 1 + 1 + 3 * 1 + 1 + 1 = 11

In how many of the following lines are the two columns identical? #45dF$ #45dF$ &RtaVl &RtoVI Ypa$D Ypa$D 6TYO! 6TYO!

3 * 3 * 3 + 3 * 3 =

Solve for x: 3x/4 = 9 + 4x

If every alternative letter starting from B of the English alphabet is written in small letter, rest all are written in capital letters, how the month “ September” be written:

Event A and event B take a variable amount of time to complete. Event A and event B can both start before the other completes. If event A can not complete until event B completes and event B can not complete until event A completes, which of these statements are true?

What comes next in the following sequence? 2, 7, 14, 23, 34, 47 ...

In how many of the four lines below does a number appear more than once without being the first or last number on the line? 23345 11256 56798 89878