If in a coloney of sundervan there are 200 residents . The residents include only two types one who always tells the truth (99 % )in number & rest are those who always tells a lie.How many person who always tells the truth must leave the coloney so that the number of truth speaking reduces to (98%).
Sorry Its initally 99% of 200 & later it is 98%
ReplyDelete(198-x)/(200-x)=98/100
ReplyDeletex=100
let x be the no of people leaving the colony.
ReplyDeleteso
(198-x)/(200-x) * 100 = 98
=> x=100
Sir please solve this question its really urgent.
ReplyDeleteA sheet of paper has statements numbered from 1 to 30. For all values of n from 1 to 30, statement n says "At most n of the statements on this sheet are false". Which statements are true and which are false?
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• The even numbered statements are true and the odd numbered are false.
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• The odd numbered statements are true and the even numbered are false.
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• All statements are false.
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• All statements are true.
Alice and Bob play the following chip-off-the-table game. Given a pile of 58 chips, Alice first picks at least one chip but not all the chips. In subsequent turns, a player picks at least one chip but no more than the number picked on the previous turn by the opponent. The player to pick the last chip wins. Which of the following is true?
ReplyDeleteIn order to win, Alice should pick 14 chips on her first turn.
In order to win, Alice should pick two chips on her first turn.
In order to win, Alice should pick one chip on her first turn
100 truth telling people....
ReplyDelete