November - 30th - GRE - Quant

November - 30th - GRE - Quant
« on: December 01, 2007, 12:39:24 AM »

November - 30th - GRE - Quant

1. (0.401)(0.211)(0.197)
--------------------------- = ?
(0.434)(0.107)(0.153)

2. When n is divided by 7 reminder is 4; what is reminder when (n*2+5)/7?
Ans: 6

3. Col A: Sqrt(11+6)
Col B: Sqrt (11) + sqrt(6)
Ans: B

4. A line intersects the Y-axis at (0,a) and X-axis at (a,0). If the line passes through the point (-3,-3), find the value of a.
Ans: -6

5. In a room there are more than 12 members which are divided into a 5 member,8 member and a 12 member group.Find the least possible members in room such that finally non are left.
Ans: 120
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shilpa
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Re: November - 30th - GRE - Quant
« Reply #1 on: December 01, 2007, 12:39:43 AM »

6. A group can charter a particular aircraft at a fixed total cost.If 36 people charter aircraft rather than 40,loss per person is 12$. What is cost per person if 40 people charter it?

7. A figure was given in which (2x+1) degree and 75 degree forms a straight angle. Find X ?
Ans: 52

8. r^3 = (5^9/5^6)
Col A : r
Col B : 5
Ans: C

9. Col A: (5^n/5^k)^2
Col B: (n/k)^2
Ans: D

10. 3x+6y = 6
Col A : x intercept
Col B : y intercept
Ans: A
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Re: November - 30th - GRE - Quant
« Reply #2 on: December 01, 2007, 12:40:41 AM »

11. Three points in the coordinate system were given (4,5), (-2,-1) and (1,k) and all lie on the same line.
Col A: k
Col B: 2
Ans: C

12. A price of product x is increased by p% to give new price y and then price of y is reduced by r% to give original price.
Col A: p
Col B: r
Ans: A
13. x1, x2, x3, x4 & x5 are the events Rate of occurance of them are r1, r2, r3, r4 & r5
E = x1r1+x2r2+x3r3+x4r4+x5r5/(x1+x2+x3+x4+x5)
x1=r1=1
x2=r2=2
x3=r3=3
x4=r4=4
x5=r5=5. Find E?
Ans: 11/3

14. Two concentric circles with the inner circle having radius 6 feet. The path around the inner circle is 2 feet wide and a wall is to be constructed on the path. If the concrete is to be 0.06 deep, then how much concrete will be required?
Ans: 1.68 pi

15. x is an integer such that x > 2
Cola: number of even factors of 2x
Colb: number of odd factors of 3x
Ans: D

16. A semicircle was given with area =2pie. Find the perimeter of the semicircle?
Ans: 2pie+4

17. check the diag here ->



Given x= y and EF || BC
COL A: area of triangle ABC
COL B: area of triangle DEF
Ans: (if EF = BC then ans is C)