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प्रश्न
Write a set of clues for a secret number of your own. Then give it to a friend to guess your secret number.
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उत्तर
A set of clues to find the secret number is as follows:
- It is larger than half of 100.
- It is more than 6 tens and less than 7 tens.
- The tens digit is two less than the one's digit.
- The sum of the digits is 14.
- Find the secret number.
- It is smaller than half of 100.
- It is more than 3 tens and less than 4 tens.
- The digit sum is 10.
- Find the secret number.
संबंधित प्रश्न
Circle the multiples of 9 (by using casting out nine).
1008
Circle the multiples of 9 (by using casting out nine).
23769
Circle the correct subtraction fact (by using casting out nine).
6732 – 4361 = 2371
Circle the correct multiplication fact (by using method of casting out nine).
132 × 43 = 5676
Circle the correct division fact (by using method of casting out nine).
728 ÷ 4 = 182
Circle the correct division fact (by using method of casting out nine).
7785 ÷ 9 = 865
Look at the calendar below.
Let us mark 3 × 3 boxes (9 dates) on the calendar and see some magic.
| Take the smallest number | 3 |
| Add 8 to it | +8 |
| = | 11 |
| Multiply it by 9 | ×9 |
| Total | 99 |
Now you choose any 3 × 3 boxes from a calendar and find the total in the same way.
Now try doing it with some other number and also take a different number to add at each step.
Look at the numbers below. Look for the pattern. Can you take it forward?
Look at this pattern of numbers and take it forward.
1 = 1 × 1
121 = 11 × 11
12321 = 111 × 111
1234321 = ?
