Multiple choice

Choose the correct alternative from given alternatives that will complete the series. $24, 28, 12, 48, ?, 84$

  1. 60

  2. -16

  3. 66

  4. 16
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern alternates between operations: ×(1 1/6), ÷2, ×4, ×(-1 1/3). 24×(7/6)=28, 28÷2=14≠12, but 28÷2-2=12. 12×4=48, 48×(-1/3)= -16, -16÷2-2=-10≠84. Actually: 24, 28 (×7/6), 12 (÷2-2), 48 (×4), -16 (×(-1/3)), 84 (×4+12?). Better: 24→28(+4), 28→12(-16), 12→48(+36), 48→?(-64?), ?→84. The answer -16 is correct based on complex alternating pattern.

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