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Olympiad Test: Number Series - 1 - Class 3 MCQ


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10 Questions MCQ Test Science Olympiad for Class 3 - Olympiad Test: Number Series - 1

Olympiad Test: Number Series - 1 for Class 3 2024 is part of Science Olympiad for Class 3 preparation. The Olympiad Test: Number Series - 1 questions and answers have been prepared according to the Class 3 exam syllabus.The Olympiad Test: Number Series - 1 MCQs are made for Class 3 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Number Series - 1 below.
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Olympiad Test: Number Series - 1 - Question 1

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
49, 36, 25, 16, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 1

The correct answer is 9 because the numbers are the squares of 7, 6, 5 and 4. We are looking for the square of 3 = 9

Olympiad Test: Number Series - 1 - Question 2

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
12, 21, 24, 42, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 2

The correct answer is 36 because the number pattern is: the first number is reversed (12 becomes 21) then multiplied by 2 (24) then reversed (42) so we are looking for what it would be if multiplied by 3 = 36. This way the first, third and fifth numbers are 12, 24, 36

Olympiad Test: Number Series - 1 - Question 3

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
58, 127, 196, 265, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 3

The correct answer is 334 because the numbers are going up by 69 each time. The only way to work this out is to subtract the second number from the first, the third from the second, and so on

Olympiad Test: Number Series - 1 - Question 4

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
27, 37, 29, 39, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 4

The correct answer is 31 because every other number is going up by 2 each time (27, 29, 31) and the other numbers are also going up by 2 each time (37, 39). Only 31 works

Olympiad Test: Number Series - 1 - Question 5

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.16, 32, 48, 64, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 5

The correct answer is 80 because the numbers are the 16 times tables. 16 x 5 = 80. Sixteen is a darts player's favorite number when trying to hit a 'double'. If they miss and hit the single, they can still try for double 8, then double 4, double 2 and finally double 1. 32 is the highest score on a dartboard that can be halved all the way down to 1

Olympiad Test: Number Series - 1 - Question 6

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
22, 66, 198, 594, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 6

The correct answer is 1782 because the numbers are three times the number to their left so we are looking for 594 x 3 = 1782

Olympiad Test: Number Series - 1 - Question 7

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
8, 27, 64, 125, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 7

The correct answer is 216 because the numbers are all the cubes of 2, 3, 4 and 5. We are looking for the cube of 6. 6 x 6 x 6 = 216. Aryabhata was an ancient Indian mathematician who first explained how cubed numbers worked. He was alive over 1500 years ago

Olympiad Test: Number Series - 1 - Question 8

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
1, 5, 2, 6, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 8

The correct answer is 3 because the numbers alternate (skip one in the pattern). So the first number is 1, the third number is 2, making the fifth number 3

Olympiad Test: Number Series - 1 - Question 9

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
240, 216, 192, 168, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 9

The correct answer is 144 because the numbers are going down by 24 each time. 168 - 24 = 144

Olympiad Test: Number Series - 1 - Question 10

What is the next number in the series of numbers below? Replace the question mark with a number and select the correct answer from the four choices available.
27, 81, 243, 729, (?)

Detailed Solution for Olympiad Test: Number Series - 1 - Question 10

The correct answer is 2187 because the numbers are multiplied by 3 each time. 729 x 3 = 2187. If you are working through these quizzes in order, you have just completed the third of four Number Series quizzes.

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