GRT Aptitude 4

Question 1

If 5x + 3 = 28, what is the value of x?

Accepted Answer

5

Answer

5x = 28 − 3 = 25; x = 25 ÷ 5 = 5.

Question 2

Three friends share a $120 restaurant bill. One pays twice as much as each of the other two. How much does the highest payer contribute?

Accepted Answer

$60

Answer

Let each of the two pay x; the third pays 2x; so 2x + x + x = 120, giving 4x = 120, x = 30; highest = 2×30 = $60.

Question 3

Which of the following is NOT a prime number?

Accepted Answer

21

Answer

21 = 3 × 7, so it is not prime; the others are divisible only by 1 and themselves.

Question 4

ARCHITECT is to BUILDING as COMPOSER is to:

Accepted Answer

Symphony

Answer

An architect creates a building; a composer creates a symphony.

Question 5

A car depreciates by 15% each year. If its current value is $20,000, what will it be worth after one year?

Accepted Answer

$17,000

Answer

Depreciation = 15% × $20,000 = $3,000; value = $20,000 − $3,000 = $17,000.

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