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If f(a + b) = f(a) + f(b) - 2f(a).f(b) and f(1) = 1, what is the value of f(2010)?
(a) 0 (b) 1 (c) Cannot say (d) None of these

Read Solution (Total 1)

f(n)=0 if n is even
f(n)=1 if n is odd
so f(2010)=0
12 years agoHelpfull: Yes(10) No(0)

TCS Other Question

Abhi and her husband work at 2 separate towns 200 km away from each other. They plan to meet at her parent’s house on a Friday evening. The house is on the highway connecting the two towns. Both leave their respective offices at 5 pm in their cars. At 5:10 pm, Abhi realizes that she has missed to carry with her the sale deed of the new house they have bought and returns to her office to fetch it. As a result, she reaches her parent’s house later than her husband. If Abhi averaged 40 kmph and her husband 60 kmph, by how many minutes late was she?
(a) 20 (b) 10 (c) 60 (d) Cannot say

A lamp post of length 10 m casts a shadow of length 7.5 m. At the same time, a man casts a shadow of length 135 cm. What is the height of the man (in m)?
(a) 170 (b) 180 (c) 1.8 (d) 1.6