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Infosys Placement Papers 23

1] A frog jumps 3 ft comes back 2ft in a day. In how many day it will come out of 30ft deep well?

2 Marks.

Ans: 28 day.

2] A-B=C

Ans: A=9, B=5, C=4, F=2.

q3] When the actual time pass 1 hr, wall clock is 10 min behind it. When 1 hr is shown by wall clock, table clock shows 10 min ahead of 1 hr. When table clock shows 1 hr, the alarm clock goes 5 min behind it. When alarm clock goes 1 hr, wrist watch is 5 min ahead of it. Assuming that all clocks are correct with actual time at 12 noon, what will be time shown by wrist watch after 6 hr?

Ans: 5:47:32.5 (n X 60 )50/60 X 70/60 X 55/60 X 65/60.

4] A software engineer just returned from US, has eaten too much fat & put a lot of weight. Every sunday he starts walking 4 km/hr on level ground, then up at 3 km\hr, then back down hill at 6km\hr, then again on level ground at 4km\hr till he reaches his destination. If he returned home at 9 p.m., what distance did he covered?

Ans: 24 km.

5] One family problem was there, in which various relations are given.

Ans: 3 families.

6] One question was about cards. 4 persons play the game of cards. Cards are of 4 colour - yellow, green, blue & red. Find colours of playing cards, which are hidden?

Ans: Remember the sequence Yellow, yellow, green, blue, probably from GRE.

7] One very easy question, just solve two equations, about ages.

8] Answer the questions from facts:-

The members of certain tribe are divided into 3 casts abhor, dravid amp; magar.

1. An abhor woman can't marry dravid man.
2. A magar woman can't marry a dravid man.
3. A son takes the caste of his father and a daughter takes caste of her mother.
5. All marriages except those mentioned, are not permitted.
6. There are no children born out of a wedlock.

9] There are 2 scales of temp A & B. It was given A varies from 14 to 133 and B varies from 36 to 87. Find the temperature, when temperature of A is equal to temp of B.

Ans: 52.5.
Let t=mx+c, c=-70 => m=51/119
a=a.51/119 -70 => a=52.5.




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