If (2x-1)2=100, then which one of the following could equal x?
A rectangular field is 3. 2 yards long. A fence marking the boundary is 11.2 yards in length. What is the area of the fields in square yard?
The seventh number in a sequence of numbers is 31 and each number after the first number in the sequence is 4 less than the number immediately preceding it. What is the fourth number in the sequence?
One day, Mr. Karim started 30 minutes late from home and reached his office 50 minutes late, while driving 25% slower than his usual speed? How much time in minutes does Mr. Karim usually take to reach his office from home?
If x+y=7 and x2+y2=25, then which one of the following equals the value of x3+y3?
A worker is hired for 7 days. Each day, he is paid 10 Tk. more than what he is paid for the preceding day one work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?
In a factory, there are workers, executives and clerks. 59% of the employees are workers, 460 are executives and the remaining 360 employees are clerks. How many employees are there in the factory?
A survey of n people in the town of X found that 50% of them prefer Brand A. Another survey of 100 people in the town of Y found that 60% prefer Brand A. In total, 55% of all the people surveyed together prefer Brand A. What is the total number of people surveyed?
The side length inscribed in a is 2. What is the area of the circle?
If 42.42=k(14+m/50), where K and m are positive integers and m<50, then what is the value of k+m?