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Olympiad Test: Number System -2 - Class 4 MCQ


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10 Questions MCQ Test Online MCQ Tests for Class 4 - Olympiad Test: Number System -2

Olympiad Test: Number System -2 for Class 4 2025 is part of Online MCQ Tests for Class 4 preparation. The Olympiad Test: Number System -2 questions and answers have been prepared according to the Class 4 exam syllabus.The Olympiad Test: Number System -2 MCQs are made for Class 4 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Number System -2 below.
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Olympiad Test: Number System -2 - Question 1

What is the predecessor of 68,119?

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

The predecessor of a number is found by subtracting 1 from it.

  • Given number: 68,119
  • Calculation: 68,119 - 1
  • Result: 68,118

Therefore, the predecessor of 68,119 is 68,118.

Olympiad Test: Number System -2 - Question 2

Which is smaller 43,416 or 9,361

Detailed Solution for Olympiad Test: Number System -2 - Question 2
  • To compare the numbers 43,416 and 9,361, look at their values.
  • 9,361 is a four-digit number, while 43,416 is a five-digit number.
  • Any five-digit number is always larger than any four-digit number.
  • Therefore, 9,361 is smaller than 43,416.
  • The correct answer is option 1, which is 9,361.
Olympiad Test: Number System -2 - Question 3

What is 'Seventy-five thousand twenty-five' in standard form?

Detailed Solution for Olympiad Test: Number System -2 - Question 3

Solution:

  • The number seventy-five thousand twenty-five is written as 75,025.
  • In standard numerical form, it is 75025.
Olympiad Test: Number System -2 - Question 4

The successor of the greatest 6-digit number is

Detailed Solution for Olympiad Test: Number System -2 - Question 4

The greatest 6-digit number is 999,999. The successor means the next number after it, which is 1,000,000 or 10,00,000.

Olympiad Test: Number System -2 - Question 5
What is the result of adding 1,000 to 46,900?
Detailed Solution for Olympiad Test: Number System -2 - Question 5
Solution:

To find the number that is 1000 more than 46,900, simply add the two numbers together:

  • 46,900 + 1,000 = 47,900

Thus, the answer is 47,900.

Olympiad Test: Number System -2 - Question 6

Write the predecessor of 48,219

Detailed Solution for Olympiad Test: Number System -2 - Question 6
  • The predecessor of a number is the one that comes immediately before it.
  • To find the predecessor of 48,219, subtract one from it.
  • 48,219 - 1 equals 48,218.
  • Hence, the predecessor of 48,219 is 48,218.
Olympiad Test: Number System -2 - Question 7
Use 1, 0, 4, 1, 6 to build the smallest 5-digit number.
Detailed Solution for Olympiad Test: Number System -2 - Question 7
Solution:
  • Select the smallest non-zero digit for the first position: 1
  • Arrange the remaining digits in ascending order: 0, 1, 4, 6
  • Combine them to form the smallest number: 10,146
Olympiad Test: Number System -2 - Question 8

Find the place value of the digit 8 in this number 6480.

Detailed Solution for Olympiad Test: Number System -2 - Question 8

Solution:

  • The digit 8 is in the tens place.
  • Therefore, its place value is 80.
Olympiad Test: Number System -2 - Question 9
Write the number in compact form 30,000 + 7,000 + 200 + 10 + 6.
Detailed Solution for Olympiad Test: Number System -2 - Question 9

To find the number in compact form, simply add the given numbers:

  • 30,000
  • 7,000
  • 200
  • 10
  • 6

The sum is 37,216.

Olympiad Test: Number System -2 - Question 10

Write the rounded of 4156 to thousand place

Detailed Solution for Olympiad Test: Number System -2 - Question 10

To determine the correct answer, we need to know the place value to which we are rounding the number 4156. Since no specific place value is mentioned, it is typically assumed that we round to the nearest thousand in such questions.

Rounding 4156 to the nearest thousand:

  1. Identify the thousands digit (4 in this case).
  2. Look at the hundreds digit (1 in this case).
  3. If the hundreds digit is 5 or more, round up the thousands digit. If it is less than 5, keep the thousands digit the same.

Since the hundreds digit is 1, which is less than 5, we do not round up.

So, 4156 rounded to the nearest thousand is:

1. 4,000

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