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All questions of 4-Digit Numbers for Class 3 Exam

Which of the following numbers can be arranged in pairs?
  • a)
    Three thousand seven hundred eighty-nine
  • b)
    Four thousand two hundred sixty-five
  • c)
    Three thousand nine hundred fifty-six
  • d)
    Eight thousand six hundred forty-five
Correct answer is option 'C'. Can you explain this answer?

Anjali Gupta answered
  • Even numbers can be arranged in pairs.
  • Three thousand nine hundred fifty-six (3956) is an even number, as the last digit of the number ends with 6. 6 is an even number.
Hence, 3956 can be arranged in pairs as it is an even number.

Which of the following abacuses shows 4570?
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?

Pranav Singh answered
4570 has 4 thousands, five hundreds, seven tens and 0 ones.
So, the abacus with 4 beads in the thousands rod, 5 beads in the hundreds rod, seven beads in the tens rod and 0 beads in the ones rod will show 4570.

Fill in the blank using the correct option:
When we round off a number, we get the ______ value.
  • a)
    Lesser
  • b)
    Actual
  • c)
    Estimated
  • d)
    Added
Correct answer is option 'C'. Can you explain this answer?

Freak Artworks answered
  • When we round off a number, we get the estimated value.
  • For example: 56 is rounded off to 60. 60 is not the actual value; it is an estimated value which we get after rounding off to the nearest tens.

Which of the following numbers is smaller than 5167?
  • a)
    5176
  • b)
    5666
  • c)
    5165
  • d)
    5615
Correct answer is option 'C'. Can you explain this answer?

Anjali Gupta answered
5165 has 5 thousands, 1 hundred, 6 tens and 5 ones.
Hence, the number of ones in 5165 is less than the number of ones in 5167.

Which of the following numbers is the successor of 1365?
  • a)
    1365
  • b)
    1364
  • c)
    1356
  • d)
    1366
Correct answer is option 'D'. Can you explain this answer?

Rhea Reddy answered
The successor of a number is the number which comes just after it.
So, 1366 is the successor of 1365.

What is the place value of the underlined digit in the number 5646?
  • a)
    6000
  • b)
    60
  • c)
    6
  • d)
    600
Correct answer is option 'C'. Can you explain this answer?

Akash Desai answered
Explanation:
To determine the place value of a digit in a number, we need to understand the concept of place value.

Place Value:
Place value refers to the value of a digit based on its position in a number. Each digit in a number has a specific place value depending on its position.

In the given number 5646, we need to determine the place value of the underlined digit.

Digits and Their Place Values:
Let's break down the given number into its individual digits and determine their place values:

- The digit 5 is in the thousands place. Its place value is 5 x 1000 = 5000.
- The digit 6 is in the hundreds place. Its place value is 6 x 100 = 600.
- The digit 4 is in the tens place. Its place value is 4 x 10 = 40.
- The digit 6 is in the ones place. Its place value is 6 x 1 = 6.

The digit that is underlined is 6, which is in the ones place. Therefore, its place value is 6.

Answer:
The place value of the underlined digit in the number 5646 is 6. Hence, option 'C' is the correct answer.

Which of the following numbers can be represented by using the given blocks?
   
  • a)
    123
  • b)
    1230
  • c)
    1233
  • d)
    1232
Correct answer is option 'C'. Can you explain this answer?

Pranav Singh answered
We use 1 thousands block, 2 hundreds blocks, 3 tens blocks and 3 ones blocks to show the number 1233. Hence, the given model shows 1233.

Neha counted the number of students in her class and rounded off the number to 50.
Q. Which of the following numbers could she have rounded off to 50?
  • a)
    56
  • b)
    41
  • c)
    42
  • d)
    52
Correct answer is option 'D'. Can you explain this answer?

Anjali Gupta answered
When we round off a number to the nearest ten, we first check the digit at the ones place.
If the digit is less than 5, then we put a 0 at the ones place and keep the digit at the tens place unchanged.
So, 52 is rounded off to 50.

Which of the following numbers is the predecessor of 9899?
  • a)
    9999
  • b)
    9980
  • c)
    9898
  • d)
    9900
Correct answer is option 'C'. Can you explain this answer?

Anjali Gupta answered
The predecessor of a number is the number which comes just before it.
So, 9898 is the predecessor of 9899.

Which of the following numbers is an odd number?
  • a)
    7776
  • b)
    2312
  • c)
    3334
  • d)
    2345
Correct answer is option 'D'. Can you explain this answer?

Pranav Singh answered
  • An odd number ends with the digit 1, 3, 5, 7 and 9.
  • 2345 has the last digit 5, which is an odd number.
Hence, 2345 is an odd number.

Which of the following is the greatest four-digit number which can be formed using the digits 1, 0, 3, 2 exactly once?
  • a)
    1023
  • b)
    0321
  • c)
    3210
  • d)
    2310
Correct answer is option 'C'. Can you explain this answer?

Rhea Reddy answered
Arrange all the digits in the descending order to get the largest 4-digit number without repeating the digits.
Hence, 3210 is the greatest 4-digit number.

Riya’s mother bought a doll for her. The cost of the doll is Rs.1599. She rounded off the price to the nearest hundreds and gave the money to the shopkeeper.
Q. Which of the following shows the money paid by Riya’s mother?
  • a)
    Rs.1600
  • b)
    Rs.1500
  • c)
    Rs.1699
  • d)
    Rs.1590
Correct answer is option 'A'. Can you explain this answer?

Pranav Singh answered
When we round off a number to hundreds, we first check the digit at the tens place. If the digit is more than or equal to 5, then we put 0 at the ones and tens place and add 1 to the digit at the hundreds place.
When we round off 1599 to the nearest hundred, we put 0 at the ones and tens place and add 1 to the digit at hundreds place.
So, Riya’s mother rounded off the amount as Rs.1600 and paid it to the shopkeeper.

Fill in the blanks:
If two numbers have a different number of digits, then the number with the _________ number of digits is smaller.
  • a)
    Greater
  • b)
    Equal
  • c)
    Lesser
  • d)
    More
Correct answer is option 'C'. Can you explain this answer?

Anjali Gupta answered
  • If two numbers have a different number of digits, then the number with the lesser number of digits is smaller.
  • For example: 345 is smaller than 1234 as it has a lesser number of digits.

Which of the following numbers can be rounded off to 60?
  • a)
    Rs.16
  • b)
    Rs.15
  • c)
    Rs.59
  • d)
    Rs.159
Correct answer is option 'C'. Can you explain this answer?

Pranav Singh answered
When we round off a number to the nearest ten, we check the digit at the ones place.
If the digit is more than 5, then we add 1 to the tens and add 0 to the ones.
So, 59 can be rounded off to 60.

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