DSSSB · Mathematics
Three bells ring at intervals of 15 minutes, 20 minutes and 25 minutes. If they are at 11:12 a.m. But they ring together, then when will they ring together next time?
- 4:12 p.m.
- 1:42 p.m.
- 5:16 p.m.
- 3:18 p.m.
तीन घंटियाँ 15 मिनट, 20 मिनट और 25 मिनट के अंतराल पर बजती हैं। यदि वे 11:12 a.m. पर एक साथ बजती हैं, तो अगली बार वे एक साथ कब बजेंगी?
- 4:12 p.m.
- 1:42 p.m.
- 5:16 p.m.
- 3:18 p.m.
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