GRE Quantitative Reasoning Questions, Algebra Topics (Set of numeric entry: 5)

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Selected Set: 5 (numeric entry)

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1 2 3 4 5 6 7 8 9 10 11 12

Select Exercise Set (numeric entry):

1 2 3 4 5 6 7 8 9 10

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1 2 3 4 5 6 7 8 9 10

Directions: Enter your answer as an integer or a decimal if there is a single answer box OR as a fraction if there are two separate boxes — one for the numerator and one for the denominator.

Answer Sheet of Set 5 (numeric entry)

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4 5 6 7 8 9

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4. A retailer buys 25 items from a wholesaler. The total price for which the flawless items were sold was equal to the price that he had paid for buying the 25 items and 20% of the items were defected. Find the gain percent of the retailer.

5. Find the sum of all two-digit natural numbers that are divisible by 4.

6. Find the value of (n-r), when 7/2<(r+5)/2<=4 and P(n,r)=60

7. Find the least possible value of x, (5x-2)/3-(7x-3)/5>=x/4

8. Find the value of k for which the equations have infinite solutions.

(k-3)x+3y=k and kx+ky=12

9. Find the value of (sinA+(sinA)²) if (cosA)²+(cosA)⁴=1