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Question
Circle the multiples of 9 (by using casting out nine).
23769
Solution
23769
= 23769
7 + 2 = 9
6 + 3 = 9
9 – 9 = 0 ...(multiple of 9)
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Complete the following sequence.
| 200 | 400 | 600 |
Take any number. Now multiply it by 2, 3, 4 ............... at every step. Also, add 3 to it at each step. Look at the difference in the answer. Is it the same at every step?
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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?
