Tuesday, November 27, 2007
1. Three points in the coordinate system were given (4,5), (-2,-1) n (1,k) and all lie on the same line…
Col A: k
Col B: 2
Ans: C
2. A company sold a product for x dollars in 1990. The price of the product would increase by 2.5% every year. Which of the following expressions could be used to calculate the price of the product in the year 2000?
A. x * (25)^10
B. x * (0.25)^10
C. x * (1.25) ^ 10
D. x * (1.025)^10
E. x * (0.125) ^ 10
Ans: D
3.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? On a street, there are four houses which are to be painted. There is a choice of three colors, and one house will be painted with a single color. In how many ways can the houses be painted?
A. 4
B. 24
C. 64
D. 81
E. 128
Ans: D
4. 3,1,4,2,3,1,4,2...... is a series in which 3,1,4,2 are repeated for every 4 terms then what is the product of the 67th,68th term?
A. 2
B. 4
C. 6
D. 8
E. 3
Ans: C
5. n and k are positive numbers
col a: (3^n/ 5^k)^2
colb: (n/k)^2
Ans: D
6. A+B=1 and M+T=2
A and M are positive and B and T are negative
Cola :A^2 + B^2
Col b: M^2 + N^2
Ans: D
7.The number of numbers that can be formed by the digits 1,2,3,4,3,2,1. the odd digits are at odd places is given by
A) 430
B) 215
C) 93
D) 36
E) 18
Ans: E
8. The number of numbers that can be formed by the digits 1,2,3,4,3,2,1. the odd digits are at odd places is given by
A) 430
B) 215
C) 93
D) 36
E) 18
Ans: E
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.英语作文
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