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Question
Complete the following sequence.
100, 400, 700, ______, _______, ________.
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Solution
100, 400, 700, 1000, 1300, 1600.
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| Red | Yellow/Orange | Green | Red | Green |
| 7:30 a.m |
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.
What if someone gives you to add ten numbers together?
Did you notice some pattern in the answers?
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?
