ORKUT QUANT DATABASE (Till Jan11th) 1. Given A1, A2, A3,......An,... is a series such that An= An - An-1, for 2>.n. If A1= -5, A2= 4, find the sum of first 100 numbers of the series?
2. Given a triangle RST, RS = 4 &. ST = 3 and the angles at R,S,T are less than 90 degrees. If TR = y then the range of y is?
3. In a class of 20 students, one half of the students are boys, if a teacher has to 0select 7 students and the first 6 are girls Col a: What is the probability that the 7th student is a girl Col b:2/7
4. Train A is traveling on a straight track at a constant speed of 60 km/hr &. Train B is traveling on a straight track at a constant speed of 100km/hr Col a: distance traveled by train A Col b: distance traveled by train B
6. Given a four sided Polygon is with 4 angles x, 2x, 3x, 4x. Find x? Ans: 36
7. Find the value of 0.01590/30.10....
8. Given two figures one is....a circle with radius r .. inscribed in a square, and other is a square of diagonal r inscribed in a circle. Col a: Area of shaded region in figure A Col b: Area of shaded region in figure B
9. Find (1/16)th% 25?
10. In a triangle ABC, Angle B Angle C =90. Col a: side AB Col b: side CA Ans: D