Subject
Quantitative Aptitude
Topic
Number
What should come in place of question mark (?) in the following number series?
655 439 314 250 223 (?)
What should come in place of question mark (?) in the following number series? 655 439 314 250 223 (?)
ক)
205খ)
210গ)
195ঘ)
190ঙ)
None of theseExplanation
The difference between two consecutive numbers in given series can be evaluated as: → 655 – 439 = 216 = 6 3 → 439 – 314 = 125 = 5 3 → 314 – 250 = 64 = 4 3 → 250 – 223 = 27 = 3 3 Thus it can be clearly seen that the difference between consecutive numbers makes a pattern as above. Hence the difference between next consecutive numbers = 2 3 = 8 Let next number in given series be X. Then, ⇒ 223 – X = 8 ⇒ X = 223 – 8 ⇒ X = 215. Hence the required term in given series is 215.Related questions
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