1. 5 pumps can fill the tank in 16 minutes. At the same rate, how long will 2 pumps fill the same tank?
A. 10
C. 30
B. 20
D. 40
2. Complete the statement, "the product of the means equals the
of the extremes".
A. sum
C. product
B. difference
D. quotient
3. The sum of the ages of Ed and Tes is 80. How old is Tes if the ratio of
their ages is 3:7, respectively?
A. 54 years old
C. 58 years old
B. 56 years old
D. 60 years old
4. What is the value of N in the expression
2/7 = N/35?
A. 5
C. 15
B. 10
D. 20
5. Two numbers are in the ratio of 3:5. Find the bigger number if the sum
of the numbers is 240.
A. 30
C. 150
B. 90
D. 200​