2, 5, 10, 17, 26, 37, 50, 64
Find the missing number:
16, 33, 65, 131, 261, ____
Find the number that does not belong to the group.
Convert 25 meters per second (mps) to kilometers per hour (kmph).
The sequence 36, 34, 30, 28, 24, ... follows a specific pattern. What is the next number in the sequence?
Two numbers are in the ratio 7:9. If each of the numbers are increased by 20%, find the new ratio of the numbers.
A sequence of 5 consecutive odd numbers is written. The sum of the first 2 numbers is 16. What is the sum of the last two numbers?
A rectangular field is to be fenced on three sides, leaving one side of 20 feet uncovered. If the area of the field is 680 square feet, how many feet of fencing will be required?
A girl counted on the fingers of her left hand in the following way: She started by calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, and little finger 5. Then she reversed the direction, calling the ring finger 6, middle finger 7, and so on. She counted up to 1994. On which finger did she end the counting?