Mathematical Aptitude Quiz 12 (10 MCQs)

Quiz Instructions

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1. If x + y =3 and,xy = 2 then value of x$^{2 }$+ y$^{2}$ is equal to:
2. Translate: the sum of eight and the product of a number and nine
3. This triangle has three acute angles.
4. A man has Rs.480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?
5. How much does Serena earn per hour, if the equation for pay is $m=21h$
6. What is the square root of 64?
7. What is the distance between points (5, 5) and (1, 5) on a coordinate plane?
8. The cost (c) to produce x units of corn and the revenue (r) from selling x units of corn arerepresented by the following functions:c = 100x + 6000r = 500xHow many units of corn must be sold for revenue to equal production cost?
9. What is the approximate number for the Golden Ratio?
10. Solve:2x + 1 = 2x-1