Math Puzzle 19

This Math Puzzle 19 contains percent problems ,square root problems etc.
1) Out of the following, which is greater than 3/4?
A. 2/5     B. 4/8     C. 6 / 13     D. 7/11     E. 11 / 14

2) If a man walks 1/2 meter per second, how many meters can he walk in half hour?
A. 3600 m     B. 1800 m     C. 900 m     D. 600 m     E. 450 m

3) 3¹⁰ + 3¹⁰ + 3¹⁰ = ?
A.3¹¹     B.3¹⁰     C. 3⁹     D.9³⁰     E.9¹⁰

4) What is 35 percent of 7 / 12 of 480?
A. 49     B. 91     C. 98     D. 138     E. 170

5) If taxi fares were $ 2.00 for the first 1/3mile and $ 0.30 for each 1/3mile there after, then the taxi fare for a 4-mile ride is
A. $ 4.20     B. $ 3.90     C. $ 3.50    D. $ 3.10     E. $ 2.90

6) A 16% glycerin solution contains 20 gallons of glycerin. How many gallons of the solution is there?
A. 800     B. 450     C. 125     D. 80     E. 40

7) Three tenth of an ice berg is above the surface of the ocean. If 420 tons of the ice berg are below the water, how many tons are above the water?
A. 140     B. 180     C. 150     D. 120     E. 60

8) If α , β and γ represent single digit positive integers such that
α - β = γ and γ + α = 8 - β , what is the value of α ?
A. 8     B. 6     C. 4     D. 2     E. 1

9) If k is divisible by 3, 4 and 9 which of the following is also divisible by these numbers?
A. k-3     B. k-4     C. k-9     D. k-12     E. k-36

10) The price of a microwave oven is reduced by 20 percent. The new price is reduced by a further 15 percent. The two reductions together are equal to a single reduction of.
A. 26 %     B. 24 %    C. 20 %     D. 18 %     E. 16 %

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Math puzzle 19

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