A pole seen from a certain distance at an angle of 15deg and 100m ahead by 30deg.what is the height of pole?
Latest Answer: let the height of the pole be hlet the distance at which the angle of elevation is 30 be x.then we havetan 15 is h/100+xtan 30 is h/xby solving we get x as 866and the height as 499.7 which is approx 500m ...
Latest Answer: u can writre the statement as1-(1/4)=3/41/4-(1/9)=5/361/9-(1/16)=7/144so continuing like that we get 1-(1/100)=.99 ...
A traveler walks a certain distance. Had he gone half a kilometer an hour faster , he would have walked it in 4/5 of the time, and had he gone half a Kilometer an hour slower, he would have walked 2 ½
Latest Answer: d = 15 kmsx = speed in km/hry = time takend / x = y - eq1d / x + .5 = (4/5)*y - eq 2d / x - .5 = 2.5 + y - eq 3 solving these three equation we get d = 15 x = 2 y = 7.5 ...
1. Select the odd one out a. Oracle b. Linux c. Ingress d. DB22. Select the odd one out a. WAP b. HTTP c. BAAN d. ARP3. Select the odd one out a. LINUX b. UNIX c. SOLARIS d. SQL SEVER4. Select the odd
Latest Answer: IngressBAANSQL SEVERHTTP ...
A non stop bus to Amritsar overtakes an auto also moving towards Amritsar at 10 am. The bus reaches Amritsar at 12.30 pm and starts on the return journey after 1 hr. On the way back it meets the auto at
Latest Answer: let the speed of the bus be x since it meets cycle at 10 and reaches destinantion at 12.30distance from meeting point to destination is 2.5xsince cycle also moves it moves for 4 hourse (from 10-2)let its speed be yso cycle distance covered is 4ywhen bus ...
There are 5 distinct pairs of white socks and 5 pairs of black socks in a cupboard. In the dark, how many sock22s do I have to pull out to ensure that I have at least 1 correct pair of white socks?
In a circular race track of length 100 m, three persons A, B and C start together. A and B start in the same direction at speeds of 10 m/s and 8 m/s respectively. While C runs in the opposite at 15 m/s.
A fisherman's day is rated as good if he catches 9 fishes, fair if 7 fishes and bad if 5 fishes. He catches 53 fishes in a week n had all good, fair n bad days in the week. So how many good, fair
Latest Answer: let good days be xlet fair days be ylet bad days be zsince there are 7 days in a weekx+y+z is 79x+7y+3z=53since it is a 3 variable equation and we have only 2 equations we have to assume values for one of them.so let x be 1,2,3,4.putting x as 4 we get ...
Latest Answer: Ans:0.99=>[1-1/4]+[1/4-1/9]+[1/9-1/16]+...=>1-1/100=>0.99 ...
Latest Answer: 8 Factorial ...
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