Question
From a point on circular track 20 km long P, Q and R
started running in the same direction at the same time with speed of 4 km per hour, 2 km per hour, 10 km per hour respectively. At what time they will meet again on the starting pointSolution
Distance = 20 km Speed of A = 4 km per hour Speed of B = 2 km per hour Speed of C = 10 km per hour Time = Distance/speed Time taken by A = 20/4 hours = 5 hours Time taken by B = 20/2 hours = 10 hours Time taken by C = 20/10 hours = 2 hours The required time = LCM of 5, 10, 2 = 10 ∴ All three will meet again at starting point after 10 hours
Nauru’s passport provides visa-free access to over how many countries and territories?
How many films from Poland will be showcased at the 31st Kolkata International Film Festival 2025?
What is the planned increase in the cryogenic upper stage propellant load in the new LVM3 configuration?
Who authored the book "March of Glory" based on India’s 1975 Hockey World Cup victory?
Who has been appointed as the independent director of the Indian public sector undertaking Satluj Jal Vidyut Nigam?
Uttarakhand has become the first state in India to pass a Uniform Civil Code Bill after independence. Consider the following statements regarding this d...
_______ is appointed as the Interim President of Indian Olympic Association?
What is the conservation status of the Mainland Serow according to the IUCN Red List?
According to a Delhi-based think tank, where does India rank in terms of digitalization at the level of individual users among the G20 countries?
Which of the following art forms of Madhya Pradesh has been recently granted the Geographical Indication ( GI ) tag?
