CAT Exam

Two men X and Y started working for a certain company at similar
jobs on January 1, 1950. X asked for an initial salary of Rs 300 with an
annual increment of Rs 30. Y asked for an initial salary of Rs 200 with a rise
of Rs 15 every six months. Assume that the arrangements remained unaltered
till December 31, 1959. Salary is paid on the last day of the month. What is
the total amount paid to them as salary during the period?
(a) Rs 93,300 (b) Rs 93,200
(c) Rs 93,100 (d) None of these

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CAT Other Question

A red light flashes 3 times per minute and a green light flashes 5
times in two minutes at regular intervals. If both lights start flashing at the
same time, how many times do they flash together in each hour?
(a) 30 (b) 24
(c) 20 (d) 60
A rectangular pool 20 meters wide and 60 meters long is surrounded
by a walkway of uniform width. If the total area of the walkway is 516 square
meters, how wide, in meters, is the walkway?
(a) 43 (b) 4.3
(c) 3 (d) 3.5