What other word can you use instead of while?

When is the only time that two fours make one? What is the relationship between 7 and -7 on a number line? If using numbers 0 through 9 how many different 4 digit combinations can be made with no restrictions on order or repeats? How many times does 19 go into 42? What percent falls below the mean for normal distribution? Who do i write 5.1 million'? If the pH value of a solution is 4.3 what is the concentration of hydrogen ions? What equals 45 in multiplucation? What is two third of 4000 dollars? To convert 1.5 miles to feet if 5280 feet is in one mile? What number is the difference of 9 and three times a number equals 69. Find the number? What is omnisient? Which unit of measure would be the most appropriate to measure the thickness of a quarter? What is ten percent of two thousand thirty three dollars? What is the time 5 minutes to 9 in the morning? How many years is 30000 hours? What is the customary unit for measuring mass? Show that the set of all real numbers is an abelian group with respect to addition? Is nios plus 2 approved kerala psc? Is 0.547 greater than or less than 0.6?