What is the next number in the series? 78 72 66 60 54
48 is the next number in the series.
The series decreases by six each time: 78 minus 6 is 72, 72 minus 6 is 66, 66 minus 6 is 60, and 60 minus 6 is 54. Continuing this pattern, subtracting 6 from 54 results in 48.
Subtracting 6 from 54 yields 48, consistent with the established pattern of subtracting 6 in the series. Thus, 48 logically follows as the next number.
The number 49 does not fit the pattern of subtracting 6 from the previous number. Subtracting 6 from 54 results in 48, not 49.
Choosing 50 breaks the consistent pattern of subtracting 6. The correct subtraction from 54 results in 48, not 50.
The number 51 does not follow the series pattern. Subtracting 6 from 54 gives 48, making 51 an incorrect choice.
Selecting 52 ignores the established pattern of subtracting 6 from each number. The correct result is 48 when subtracting 6 from 54.
The correct answer is among the options provided, specifically 48, which follows the pattern of subtracting 6. Therefore, "none of these" is incorrect.
The sequence 78, 72, 66, 60, 54 decreases consistently by 6. Subtracting 6 from the last number, 54, logically results in 48. This consistent pattern of subtraction confirms that 48 is the correct next number in the series. Hence, option A is the correct choice, while other options do not maintain the pattern.
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