1. The series in which a1= 3 ... and an = a(n-1) 3 (here n-1 is the suffix) Col a: a100(here 100 is suffix) Col b: 240
2. There is a series of odd numbers from 1 to n where n is a odd number. What is the probability that a number 0selected at random will be an odd number?
3. Col a: (3^-8 ) - (3^-9)- (3^-9) Col b: 3^-9
(20080109)
1. Given a number 2/7 .Find the fifty seventh number after the decimal point a.2 b.8 c.5 d.7 e.1 Ans: 5
2. 그.림.: 첨.부.파.일. 참.조. Given a circle with centre ‘T’ and ‘CTO’ as the diameter. If the line’s’ is a tangent to the circle, then find the angle ‘SOT’? Ans: 45 degrees
3. A line segment AG was given. AG is divided into equal parts (with equal distance)... Actual figure is like this…….. A line with A, B, C, D, E, F, G points on the line segment with equal distance between them. If the value at point A is -2.4 &. value at end point G is 10.8, then find the value of E ? Ans: 6.4
4. Given xy is not equal to 0 and x is not equal to y and x y=0 Col a: x-y Col b: 0 Ans: D
5. If 3 is multiplied by 10 and 3 is added to the result..........and if this process is continued up to ten digits….like 3 3 3 3 3 3 3 3 3 3 .......... so on till 10 digits Find the sum of all 3 s in 100th place?
6. What is the percentage change of area of rectangle, when length is increased by 10% and width is decreased by 10%?
7. If a number is divisible by 5 the remainder is 3 and when the same number is divided by 7 the remainder is 4. What is the least possible number? Ans:18
8. When a number is multiplied by 13, it will become greater to 105 by an amount with which it is lesser to105 by now. What is the number? Ans: 15