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Grade-1
Count Down - Numbers up to 1000
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Look at the number pattern shown below and find the missing number :
324, 321, 318, ?, 312
Explanation
Observe the pattern carefully.
Each number in the pattern is decreased by 3 to get the next term in the pattern.
324
324 - 3 = 321
321 - 3 = 318
318 - 3 = 315
315 - 3 = 312
The missing number in the pattern is 315.
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