78. The time taken to travel in train from Town A to Town B is 5 hours. There are trains starting from both towns at an interval of 1 hour. How many trains meet in 1 trip?

Ans:

10 trains check it as trains come from both sides every hour.

79. Shadow went to an Isle where the natives lie and the visitors speak truth. Shadow saw a salesman and wanted to know whether he was a native or a visitor. He did not pose a question directly but asked him indirect instead. Shadow saw a woman and asked the salesman,”Is that a NATIVE or VISITOR?” .For which the salesman replied,” She is a visitor”. Is the salesman a Native or a Visitor?

Ans:

Since Shadow himself saw him/her as a woman and asked the salesman.
The Salesman replied ,”SHE ” by which he speaks truth and is a Visitor.
Salesman is a Visitor.

80. Three friends divided some bullets equally. After all of them shot 4 bullets the total number of bullets remaining is equal to the bullets each had after division.Find the original number divided.

18 (2 marks)
Initially . x x x
Now x-4 x-4 x-4
Equation is 3x-12 = x

81. There are 3 societies A, B, C. A lent cars to B and C as many as they had already. After some time B gave as many tractors to A and C as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24. Find the cars each orginally had.

A had 39 cars, B had 21 cars & C had 12 cars

82. The Bulls, Pacers, Lakers and Jazz ran for a contest. Anup, Sujit, John made the following statements regarding results.
Anup said either Bulls or Jazz will definitely win
Sujit said he is confident that Bulls will not win
John said he is confident that neither Jazz nor Lakers will win
When the result cameit was found that only one of the above three had made a correct statement.
Who has made the correct statement and who has won the contest.

Ans:

Sujith; Lakers

83. Five people A ,B ,C ,D ,E are related to each other.
Four of them make one true statement each as follows.
(i) B is my father’s brother.
(ii) E is my mother-in-law.
(iii)C is my son-in-law’s brother
(iv)A is my brother’s wife.

Ans:

(i) D (ii) B (iii) E (iv) C