Test Index

Series and Odd Man out Practice Test 7

Question : 3 of 40

Marks: +1, -0

271, 274, 276, 279, 283, 288

Solution:

Concept:

In a number series, find the term that breaks the pattern of differences.

Explanation:

Find the differences between consecutive terms.

274 - 271 = +3

276 - 274 = +2

279 - 276 = +3

283 - 279 = +4

288 - 283 = +5

271

is replaced by

273

, the differences become:

273 \to 274 = +1

274 \to 276 = +2

276 \to 279 = +3

279 \to 283 = +4

283 \to 288 = +5

So the correct sequence should be

273, 274, 276, 279, 283, 288

Hence

271

is the wrong term.

Answer:

271

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