Aptitude Tests 4 Me

Analytical Ability

237. James, Ray, Eric and Charles are playing a gambling game. James and Ray have a secret agreement for immediately splitting both wins and losses between themselves. Eric owes Charles some money, which immediately entitles Charles for any Pound eric makes above his initial amount. They all begin with £100 and place a bet of £25 each round. There is one winner in each round.
Which of the following must be true, If after four rounds Charles has £150, and James has £100?explanation

 (a) Ray won at least one round (b) Charles won one round at most (c) Eric won the third round (d) Charles won exactly two rounds

238. Morning shifts are 7 hours long and after-noon shifts are 8 hours long.
Stella works morning as well as after-noon shifts.
Jane never works morning shifts.
Jane is a saleswoman.
Stella called in sick this morning.
Which statement must be true?

 (a) Salespersons never work seven-hour long shifts (b) Stella sometimes works in the morning, but not Jane (c) Stella sometimes works in the morning, but not Jane (d) Stella is a saleswoman

239. Staff members of the Foreign Relations unit work nights once a week.
Jessica used to work nights once every week.
Abby works for the Foreign Relations unit.
Which statement must be true?

 (a) The Foreign Relations unit works 24/7 (b) Jessica used to work in the Foreign Relations unit (c) Jessica and Abby used to be co-workers (d) Abby works nights once every week

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