TCS Company Numerical Ability Time Distance and Speed

. length of minute hand is 5.4 cm, area covered by this in 10 min is ?

a)50.97 b)57.23 c)55.45 d)59.14

Read Solution (Total 4)

it will be (3.14*5.4*5.4)*10/60 = 15.26 cm2.
11 years agoHelpfull: Yes(45) No(6)

((pi)*(5.4)^2)/6=15.268 cm2
11 years agoHelpfull: Yes(11) No(3)
(pi)5.4^2=29.16 cm^2
10 mins =1/6 times of total
so 29.16/6 cm^2=4.86cm^2
11 years agoHelpfull: Yes(3) No(10)
Abhishek is Right too....but calculation is wrong !!!
11 years agoHelpfull: Yes(3) No(3)

TCS Other Question

16 meters per minute and rest for 2 minutes. If take has to reach the top in exactly two hours. What is the maximum number of rests that he can take?
a) 41 b) 42 c) 40 d) 43 The climb from foot to top of a hill 800 meters, Jack can climb at 16 meters per minute and rests for two minutes or 20meters per 2 minutes and rest for one minute. Paul can climb at 10 meters per one minute and rest for one minute or16 meters per minute and rest for 2 minutes. If take has to reach the top in exactly two hours. What is the maximum number of rests that he can take?
a) 41 b) 42 c) 40 d) 43