HARD
Stage 1 & 2
IMPORTANT
Earn 100

In Ravi's clock shop, two clocks were brought for repairs. One clock has the cuckoo coming out every 16 minutes, while the other one has the cuckoo coming out every 18 minutes. Both cuckoos come out at  12:00 noon. When will they both come out together again?

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Important Questions on Problems Based on Clock

HARD
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 16 - Problems Based on Clock>Target Exercise>Q 10
At what time, in minutes, between 3 O'clock and 4 O'clock both the needles will coincide each other?
 
HARD
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 16 - Problems Based on Clock>Target Exercise>Q 11
A watch which gains uniformly is 2 minutes low at noon on Monday and is 4 minutes 48 seconds fast at 2 pm on the following Monday. When was it correct?