请同学们看下面的例题：
Monday, November 26, 2007
1. In xy coordinate a square is drawn by connecting y, x, -y and -x coordinate. The area of the square is 36.
Col A:Distance between the center of the coordinate and the point in –y coordinate
Col B: 2.4
2. x is multiple of 3 and 3x has unit digit 7.
Col A: x
Col B: 69
Ans: D
3. In a company there are 54 members. If wednesday has more numbers of birthdays then what is the least number of birthdays on wednesday?
A. 6
B. 7
C. 8
D. 9
E. 10
Ans: D
4. x and y are positive integers.
Col A: remainder when xy+x(y+2) is devided by 2.
Col B: 0
Ans: C
5. |J+2|<3 and (k-1)^2=16
Col A: jk
Col B: 15
Ans: B
6. If x-x/2-x/4-x/8 = 16 find x?
Ans: 128
7. 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
8. A label of vertical width w is stick on a cylinderical vessel with area A(some number) and height 10cm.
Cola: w
Colb: 4.5
Ans: D
9. A circle was given with radius 6, it contained a shaded area. The degree measure of the unshaded area was 260. Find the area of
shaded region.
Ans:10pie
10. There is a circular water fountain of Diameter 12m. The wall of the tank has a width of 2m. If the thickness of the fountain is 0.06m, what is the volume of the concrete used in constructing the tank?
Ans: 1.68pi cu.m
11. 3^(4n+1) divided by 10
Col A: Remainder
Col B: 0
12. 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
13. Given ax^2+bx+c=0, (2x+3)(2x-3)=0
Col a:a+b+c
Col b: -5
Ans: C
14. Given average(arithmetic mean) of t,u,v is x.
Col a:arithmetic mean of t,u,v and x
Col b:x
Ans: C
15. Col a: (-2)^-5
Col b: 1
Ans: B
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