TCS Company Category

A man jogs at 6 mph over a certain journey and walks over the same route at 4 mph. What is his average
speed for the journey?
a) 2.4 mph
b) 4 mph
c) 4.8 mph
d) 5 mph

Read Solution (Total 4)

formula used is 2uv/(u+v)
9 years agoHelpfull: Yes(2) No(0)

4.8
(2*6*4)6+4
9 years agoHelpfull: Yes(1) No(0)
2*6*4(4+6) = 4.8
9 years agoHelpfull: Yes(1) No(0)
assume the distance between the two points be 1 mile
then using total distance travelled /total time taken we get
(1+1)/{(1/6)+(1/4)}=4.8 mph
9 years agoHelpfull: Yes(0) No(0)

TCS Other Question

Spores of a fungus, called late blight, grow and spread infection rapidly. These pathogens were
responsible for the Irish potato famine of the mid-19
th
century. These seem to have attacked the tomato crops in
England this year. The tomato crops have reduced and the price of the crop has risen up . The price has already
gone up to $45 a box from $27 a box a month ago. How muchmore would a vegetable vendor need to pay to
buy 27 boxes this month over what he would have paid last month?
a) $27
b) $ 18
c) $45
d) $ 486 Francois Pachet , a researcher at Sony Computer Science laboratories is also a jazzmusician. He decided
to build a robot able to improvise like a pro. Named Continuator, the robotcan duet with a live musician in
real- time. It listens to a musical phrase and then computes a complementary phrase with the same playing
style. If the cost of making the robot is divided between and then computes a complementary phrase with the
same playing style. If the cost of making the robot is divided between materials , labour and overheads in the
ratio of 4:6:2.If the materials cost$108. the cost of the robot is
a) $270
b) $324
c) $216
d) $ 648