If a clock strikes six times in 5 seconds, the number of strikes in 10 seconds is
(a)8
(b)9
(c)10
(d)11
Answer
Answer (as printed): D
Explanation
There are 5 intervals in 6 strikes. Number of intervals in 5 seconds = 5. Number of intervals in 10 seconds = 10. So, the clock will strike 11 times in 10 seconds.
Explanation as extracted from the printed page; notation may be imperfect.