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XAT 2018 — QA & DI Question 11

Miscellaneous ProgressionsMedium

An antique store has a collection of eight clocks. At a particular moment, the displayed times on seven of the eight clocks were as follows: 1:55 pm, 2:03 pm, 2:11 pm, 2:24 pm, 2:45 pm, 3:19 pm and 4:14 pm. If the displayed times of all eight clocks form a mathematical series, then what was the displayed time on the remaining clock?

Answer & solution

  • A

    1:53 pm

  • 1:58 pm

  • C

    2:18 pm

  • D

    3:08 pm

  • E

    5:08 pm

Solution

Observe the following times.

​​​​​​​

Thus, we see that “5” is missing in the first difference. Therefore, the missing time is 5 minutes before 2.03, that is, 1.58.

Hence, option (b).

XAT 2018 QA & DI Q11: An antique store has a collection of eight clocks. At a particular moment, the displayed times on seven of the — Solution | TheCATExam