Question
Four lights blink at intervals of 18 seconds, 24
seconds, 36 seconds, and 48 seconds respectively. How many times will all the lights blink together in 3 hours?Solution
ATQ,
All the lights will blink together after 144 seconds (LCM of 18, 24, 36 and 48)
3 hours = 180 minutes
Therefore, required number of times ≤ (180 × 60) ÷ 144 = 75
As part of Operation Sadbhav, how many tonnes of aid were sent to Vietnam?
Katchatheevu Island is located in?
Consider the following statements about National Service Scheme (NSS):
1. It allows students to take part in various Government led community s...
Which state recently launched an initiative to provide caste and income certificates to students within seven days?
In May 2023, which of the following states became the first state in the country to launch a state robotics framework with a vision to create a sustaina...
Consumer Protection Act, 2019 has replaced which of the following?
Who matched a season record of 15 wins at the U.S. Grand Prix and clinched his 50th Formula One career victory, earning the title of triple world champion?
 At the Senior World Wrestling Championship, which Indian had won the bronze medal ?
Which country was responsible for launching the Tianlian II-05 satellite?
In which language was the epic "Ramcharitmanas" written by Tulsidas?
Relevant for Exams:
