From height of 8mts a ball fell down and each time it
bounces half the distance back.What will be the distance
travelled?
Answers were Sorted based on User's Feedback
Answer / karthik kj
8+4+4+2+2+1+1+0.5+0.5+0.25+0.25+0.125+0.125+......= 24 mts
| Is This Answer Correct ? | 19 Yes | 5 No |
Answer / addddddddddd
8+4+4+2+2+1+1+.5+.5+.25+.25+.12+.12=24 (approx) n no need of pollin for this ans cos this is 101 percent correct answer.......:)
| Is This Answer Correct ? | 12 Yes | 2 No |
Answer / bubba
This is an infinite sum of a geometric series problem.
Downs: 8 + 4 + 2 + ... = Sum 8(.5)^n = 8/(1-0.5) = 16 meters.
Ups: 4 + 2 + 1 + ... = Sum 4(0.5)^n = 4/(1-0.5) = 8 meters.
Hence the total travel is 22 meters.
| Is This Answer Correct ? | 2 Yes | 2 No |
Among P, M, R, T and J, M is older than R and T. J is older than M and is not the oldest. Who is the youngest? (a) R (b) T (c) R or T (d) Data Inadequate (e) None of these
if length of a rectangle is incr by 20% and width is decr by 20% then area
5 Answers ASD Lab, KPSC Karnataka Public Service Corporation, Math Olympiad, Time, Verifone,
1.area of trapezium?
The sum of series 1+1(1+1/n)+3(1+1/n)2+…. Is equal to
A simple interest amount of Rs 6000 for 6 months is Rs 600. Calculate the annual rate of interest.
I had Rs.100 and I play. If I win I will have Rs110 and if I lose I will have Rs. 90. at the end I have 2 wins and 2 lose. How much do I have?
if a car starts from A towards B with some velocity due to some problem in the engine afetr travelling 30 km .if the car goes 4/5 th of its of actual velociteythe car reaches B 45 min later to the actual time.if the car engine fails after travelling 45km the car reaches the destination B 36min late to the actual time ,wat is the initial velocity of car and what is the distance between A and B on km.
types of shares
A manufacturer of chocolates makes 6 different flavors of chocolates. The chocolates are sold in boxes of 10. How many “different” boxes of chocolates can be made? [pu] (NOTE: A box is considered “different” from another only if, regardless of the order, the box contains a different number of chocolates of at least one type)
3 Answers FactSet Systems, Hotel Jobs, TCS,
Find sqrt of 113 up to 3 decimal places.
In a company 241 apply for posts. of them 40 know neither c nor c++.180 know c; 186 knows c++. how many people know only c.
5625 ÷ 75 + √¯x = x (a) 441 (b) 400 (c) 361 (d) 484 (e) None of these