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GATE 2019 : General Aptitude Quiz 1
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Question 1
Ramanna was trying to multiply two number of 2 digits each. By mistake, he interchanges the digits of one of the numbers and obtained a result which differs from the original result by ‘D’ which of the following can be possible value of ‘D’?
Question 2
Industrial consumption of power doubled from 2000-2001 to 2010-2011. Find the annual rate of increase in percent assuming it to be uniform over the years.
Question 3
Using coins of denomination of ‘1,5, 10 and 25, what is the minimum number of coins needed to get’ 100; each type of coin is required to be used at least once.
Question 4
500 students are taking one or more courses out of Chemistry, Physics, and Mathematics. Registration records indicate course enrolment as follows: Chemistry (329). Physics (186).
Mathematics (295). Chemistry and Physics (83), Chemistry and Mathematics (217), and Physics and Mathematics (63). How many students are taking all 3 subjects?
Mathematics (295). Chemistry and Physics (83), Chemistry and Mathematics (217), and Physics and Mathematics (63). How many students are taking all 3 subjects?
Question 5
Raju Garage Wala is a specialist in car repairs with a very dedicated client base. His collection for calendar year 2013 is Rs. 32,97,440 with the following breakup:
a) Engine repairs - 26%
b) Crankshaft repairs - 23%
c) External repairs - 23%
d) Wiring related - 16%
e) Interior related - balance
60% of his revenue for the year under consideration came from repairing cars which over 5 years old whereas 32% of the revenue came from cars which are between 2 and 5 years old.
The possible difference in the revenue earned by him from crankshaft repairs of cars between 2 and 5 years old compared to the revenue from interior related repairs of cars which are over 5 years old is Rs. _____________.
a) Engine repairs - 26%
b) Crankshaft repairs - 23%
c) External repairs - 23%
d) Wiring related - 16%
e) Interior related - balance
60% of his revenue for the year under consideration came from repairing cars which over 5 years old whereas 32% of the revenue came from cars which are between 2 and 5 years old.
The possible difference in the revenue earned by him from crankshaft repairs of cars between 2 and 5 years old compared to the revenue from interior related repairs of cars which are over 5 years old is Rs. _____________.
Question 6
Fill in the missing number in the series.
2 3 6 15 ___ 157.5 630
2 3 6 15 ___ 157.5 630
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