【官方指南】新GRE数学真题OG例题讲解之两条相交线的交点
- 2015年01月18日17:42 来源：小站整理
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9. Given a semicircle with radius 2 and its area is 2pie. Find the perimeter of the semicircle.
Ans: 4+2pie
10. Two lines 3x-5y=10 and 2x-10y=-3 were given and the point of intersection of these lines lies in which quadrant?
Ans: IVth quadrant
11. Given x ,10-x, 2x+3 are three numbers. If mean of these 3 numbers is 24. Find median.
12. If mode of a group of numbers is 78 then what is the range of the numbers.
Ans: D
13. If x is not equal to 0.
Col a : (x+y)^2
Col b : x^2 +y^2
Ans: D
14. Given a cylinder having volume V. There is one more cylinder that had radius and height both twice of that of the given cylinder, so what is the volume of 2nd cylinder in terms of V?
Ans : 8V
15. (x^2+y^2)/2=xy then,
col A: x
col B: y
Ans: D
16. There are 37 employees in a company X. The month of july has more number of birthdays (of employees) than any other month in the year.
Col A: Number of Birthdays in July
Col B: 3
Ans: A
17. {(0.401)*(0.211)*(0.197)} / {(0.some number)*(0.155)*(0.343)} = this type of question was given .
