DATABASE (Till Nov 14th)

1. If a rectangle's length is increased by 15% and width is decreased by 15%, then
Col A: Area of the initial rectangle
Col B: Area of the later(changed) rectangle.

2. Col A: Sqrt(120) + Sqrt(50)
Col B: Sqrt(80) + Sqrt(90)

3. If 0 < M < N < P < Q < R, then
Col A: Median of M, N, P, Q & R
Col B: Arithmetic Mean of M, N, P, Q & R.

4. If x^2 – 36 = 0 & x(x+6)(x+8) = 0, then
Col A: x
Col B: 0

5. How many numbers between 400 and 700 are multiples of both 2 & 3?

6. A rectangular solid with length 40m, height 2m & width 10m is given. Find the volume of the rectangular solid in cubic centimeter??

7. Col A: The distance from origin to (3, 4)
Col B: The distance from origin to (5, 2)

8. Given a rectangle field whose length ‘l’ and breath ‘b’ is made area=25000, such that its length is increased by 10% and its breadth is been decreased by 5 %.
Col A: Change in area of the rectangle
Col B: 1200

9. If Raymond earns 'd' dollars/hr & works for 'h' hrs and Andrew earns half as that of Raymond, working at the same rate, then find Andrew's earning after 'h+50'hrs in terms of h and d terms?

10. If a wheel 'A' has half the diameter of wheel B, then
Col A: Number of revolutions made by wheel A to cover 5000 miles
Col B: Number of revolutions made by wheel B to cover 2500 miles

11. Last year, few girls and boys participated in drama. This year the number of girls and boys increased by x(x>0). If the number of boys is greater than number of girls, then
Col A: Percentage increase in boys from last year to this year
Col B: Percentage increase in girls from last year to this year

12. If the length of a rectangle is increased by 10% and its width is decreased by 10%, then what is the new area of the rectangle?
A. Increased by 10%
B. Increased by 1%
C. Remains same
D. Decreased by 1%
E. Decreased by 10%

13. Which of the following is less than 30% of 1
A. 3/17
B. 1/3
C. 22/25
D. 0.6
& so on…

14. If the sum of 5Y2 and 257 is 8N9, then what is the least possible values of N and Y
Col A: Y+N
Col B: 9

15. If -1 < x < 0, then which of the following is greater?
A. x
B. x^3
C. 1-x^3
& so on.....

16. If g(x) = 3^(x-1), then what is the value of [g(x+1)-g(x)]/2?

17. If the numbers 1, 5, 6, 8 & 9 are used once and are used to form a three digit number 't' and a two digit number 'r', then what is the minimum value of t - r?
A. 56
B. 58
C. 70
D. 73
& so on…

18. A circle has centre (0, 2) and a point P (2,-1) lies on its circumference. What is the radius of the circle?