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Age puzzles
Current Puzzles
Number Digit
Coin Puzzles
Chemical Solution
100
Gabriel is 16 years older then Sam. In 4 years, Gabriel will be twice as old as Sam. What are their ages now?
Gabriel is 28, Sam is 12
100
Chris can row a boat a distance of 20 miles in 2.5 hours when he is rowing with the current. It takes him 3 hours to row the same distance when he's rowing against the current. What is the rate of the current?
2/3 MPH
100
The sum of a two digit # is 8. If 16 is added to the original #. The result is 3 times it's original # with it's digits reversed. Find the original #.
62
100
When Jim cleared out the reflecting pool at the library, he found 20 nickels and quarters. The collection of nickels and quarters totaled $2.60. How many quarters did Jim find?
8 Quarters
100
Janet is mixing a 15% glucose solution with a 35% glucose solution. This mixture produces 35 liters of a 19% glucose solution. How many liters of each solution is Janet using in the mixture?
28 Liters of 15% and 7 Liters of 35%
200
A father is 32 years older than his son. In 4 years the father will be 5 times as old as his son. How old is each now?
Father is 36 Son is 4
200
A plane leaves New York City and heads for Chicago, which is 750 miles away. The plane, flying against the wind, takes 2.5 hours to reach Chicago. After refueling, the plane returns to New York City, Traveling with the wind, in 2 hours. Find the speed of the wind and the speed of the plane with no wind.
Speed of the wind is 37.5 MPH Speed of the plane with no wind is 337.5 MPH
200
The sum of the digits of a two-digit number is 7. The original two-digit number is 3 less than 4 times the number with it's digits reversed. Find the original two-digit number.
61
200
There are 250 quarters and dimes worth a total of $39.25. Find how many dimes and how many quarters are in the bank.
95 quarters 155 dimes
200
A 1.5% acid solution is mixed with a 4% acid solution. How many ounces of each solution is needed to make 60 ounces of 2.5% acid solution?
36 ounces of 1.5% 24 ounces of 4%
300
June is 4 years older than her brother. Six years ago, she was twice as old as he was. How old is each now?
June is 14 Her brother is 10
300
A riverboat traveling with the current takes 2.5 hours to make a trip of 45 miles. The return trip against the current takes 2.75 hours. Find the speed of the current and the speed of the boat in still waters.
The current is 9/11 MPH The speed of the boat in still water is 17 2/11 MPH
300
A two-digit number whose tens digit is 2 more than the units digit is 3 more than 6 times the sum of its digits. Find the original number.
75
300
In the math department water-cooler fund there are 48 quarters and nickels in all, with a total value of $6. Find how many quarters and how many nickels are in the fund.
18 Quarters 30 Nickels
300
How many ounces of a 2% acid solution should be mixed with a 4% acid solution to produce 20 ounces of a 3.6% acid solution?
4 ounces of 2% 16 ounces of 4%
400
THIS IS
SPARTA!!!!!!