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GATE 2019: General Aptitude Rapid Quiz-2

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Question 1

The ways in which this game can be played _______ potentially infinite.

Question 2

If a and b are integers and a-b is even, which of the following must always be even?

Question 3

If the product of two integers 53 and 22 in a specific number system is 1276, then what is the decimal equivalent of the number 4371 in the same number system?

Question 4

The missing number of the series is _____.
13 27 53 ____ 213 427 853

Question 5

The variable cost (V) of manufacturing a product varies according to the equation V = 4q, where q is the quantity produced. The fixed cost (F) of production of same product reduces with q according to the equation F = 100/q. How many units should be produced to minimize the total cost (V+F)?

Question 6

A five digit number is formed using the digits 1,3,5,7 and 9 without repeating any of them. What is the sum of all such possible five digit numbers?

Question 7

A man can row ad 8 km per hour in still water. If it takes him thrice as long to row upstream, as to row downstream, then find the stream velocity in km per hour.

Question 8

What will come in place of question mark (?) in the following number series?
15 21 39 77 143 (?)

Question 9

Given digits 2, 2, 3, 3, 3, 4, 4, 4, 4 how many distinct 4 digit numbers greater than 3000 can be formed?

Question 10

Students taking an exam are divided into two groups, P and Q such that each group has the same number of students. The performance of each of the students in a test was evaluated out of 200 marks. It was observed that the mean of group P was 105, while that of group Q was 85. The standard deviation of group P was 25, while that of group Q was 5. Assuming that the marks were distributed on a normal distribution, which of the following statements will have the highest probability of being TRUE?

Question 11

Find the sum of the expression

Question 12

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.
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