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प्रश्न
Ask your friend rite — W down your A age. dd 5 to it. Multiply the sum by 2. Subtract 10 from it. Next, divide it by 2. What do you get?
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उत्तर
Let the age of my friend be 9 years.
Adding 5 to it, we get
9 + 5 = 14
Multiplying this sum by 2, we get
14 × 2 = 28
Subtracting 10 from 28, we get
28 − 10 = 18
Dividing it by 2, we get
18 ÷ 2 = 9
The answer is the same as my friend’s age.
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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 addition fact (by using casting out nine).
7632 + 2213 = 9845
Circle the correct division fact (by using method of casting out nine).
1580 ÷ 20 = 78
A9, B18, C27, D36, _______, ________, _________.
Complete the following sequence.
100, 400, 700, ______, _______, ________.
Complete the following sequence.
| 200 | 400 | 600 |
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.
Now make your own number surprises.
