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GATE 2019 General Aptitude Quiz 4

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Question 1

A house has a number which needs to be identified. The following three statements are given that can help in identifying the house number.
i. If the house number is a multiple of 3, then it is a number from 50 to 59.
ii. If the house number is NOT a multiple of 4, then it is a number from 60 to 69.
iii. If the house number is NOT a multiple of 6, then it is a number from 70 to 79.
What is the house number?

Question 2

Forty students watched films A, B and C over a week. Each student watched either only one film or all three. Thirteen students watched film A, sixteen students watched film B and nineteen students watched film C. How many students watched all three films?

Question 3

The binary operation is defined as a  b = ab+(a+b), where a and b are any two real numbers. The value of the identity element of this operation, defined as the number x such that a x = a, for any a, is ________.

Question 4

Find the missing sequence in the letter series.
B, FH, LNP, _ _ _ _.

Question 5

If 137+276=435 how much is 731+672?

Question 6

The average age of 9 students and their teacher is 16 year. The average age of the first four students is 19 years and that of the last five is 10 years. The teacher’s age is
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Jun 28ESE & GATE CE