Test: Numbers - 4 - CTET & State TET MCQ

• 8291, 8293, and 8294 are the missing numbers in the given number sequence.
• 8291 comes just after 8290 and just before 8292.
• 8293 comes after 8292.
• 8294 comes just after 8293 and just before 8295.

In the number 5646, the digit at the ones place is underlined. So, the place value of the underlined digit is 6.

- To identify the odd one out, we need to examine the parity (even or odd) of each number.
- A: 3786 is even (last digit is 6).
- B: 4268 is even (last digit is 8).
- C: 3953 is odd (last digit is 3).
- D: 8644 is even (last digit is 4).
- Numbers A, B, and D are all even, while number C is odd.
- Therefore, option C (3953) is the odd one out as it is the only odd number.

Nine thousand eight hundred sixty-five is the number name of 9865.

3048 has 3 thousands, 0 hundreds, four tens and 8 ones.
So, 3048 is written in words as three thousand forty-eight.

6706 has 6 thousands, 7 hundreds and 6 ones.
So, the number name of 6706 is six thousand seven hundred and six and not six thousand seven hundred sixty.

• 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.

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.

The standard form of 6000 + 60 + 8 is 6068.

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.

• 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.

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

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.

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.

Using the numbers 3, 4, 0 and 5 exactly once, we get 3045 as the smallest number.

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

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.

• 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.

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.

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.