Class 8 > National Cyber Olympiad Class 8 > Olympiad Test: Odd One Out - 2

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Olympiad Test: Odd One Out - 2 - Question 1

A group of five items is given. Four of them share the common features whereas one of them is different from others. Choose the item which is different from the others.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 1

All the options except fingers, are parts of body in pair.

Olympiad Test: Odd One Out - 2 - Question 2

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 2

All the items, except the tomato, grow underground.

Olympiad Test: Odd One Out - 2 - Question 3

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 3

In all the pairs, except (c), the first is masculine and the other is feminine.

Olympiad Test: Odd One Out - 2 - Question 4

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 4

In all the pairs, except (d), second is the young one of the first.

Olympiad Test: Odd One Out - 2 - Question 5

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 5

All the given numbers except 27 are prime numbers whereas 27 is a composite number.

Olympiad Test: Odd One Out - 2 - Question 6

Which of these is the odd one out (different from the others)?

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 6

All the given numbers except 9 are prime numbers

Olympiad Test: Odd One Out - 2 - Question 7

Which of these is the odd one out (different from the others)?

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 7

Australia is the name of continent

Olympiad Test: Odd One Out - 2 - Question 8

Which of these is the odd one out (different from the others)?

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 8

potato is the only vegetable name in the series

Olympiad Test: Odd One Out - 2 - Question 9

Which of these is the odd one out (different from the others)?

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 9

7 is the only prime number in the series

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 10

Each of the numbers except 14 is an odd number.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 11

The pattern is 2^{3}, 3^{3}, 4^{3}, 5^{3}, 6^{3}, 7^{3}. But, 100 is not a perfect cube.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 12

Each of the numbers except 54 is multiple of 5.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 13

Each of the numbers except 28, is a multiple of 3.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 14

In each number except 383, the product of first and third digits is the middle one.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 15

In each number except 751, the difference of third and first digit is the middle one.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 16

Each of the numbers is a prime number except 12.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 17

Each of the numbers except 23, is perfect square.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 18

The pattern is 1^{2}, 2^{2}, 3^{2}, 4^{2}, 5^{2}, 6^{2}, 7^{2}. But, instead of 5^{2}, it is 20 which to be turned out.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 19

(1*1)+1, (2*2)+1, (3*3)+1, (4*4)+1,

(5*5)+1, (6*6)+1, (7*7)+1, (8*8)+1

But, 64 is out of pattern.

Detailed Solution for Olympiad Test: Odd One Out - 2 - Question 20

Each of the numbers except 72 is a perfect square.

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