Question
If a person walks 20% more than of his usual speed,
reaches his distance 90 minutes before. If the destination is 459 km away, then the usual speed of a person is (in km/hr)?Solution
Let the usual speed be x km/hr New speed = 120% of x = 6x/5 km/hr Distance = 459 km According to the question 459/x – 459/(6x/5) = 90/60 459 x [(6 – 5)/6x] = 3/2 Therefore, x = 459 x (1/6) x (2/3) = 51 km/hr
Which of the following type of aquifers is also known as 'Water Table Aquifer'?
Recently, Indian Oil rolled out brand new M15 Petrol which is a 15% blend of Methanol with Petrol in which state?
What is the purpose and potential impact of the "Saral" portal launched by the Union Government of India to improve the ease of living for the common man?
In Human Development Report 2021-22, which of the following country became the best performer in Indian-Subcontinent?
Minimum support price was applied on the recommendation of _____.
Which of the following is a tropical grassland?
Which Indian state is using drone technology and a digital platform to revive the PM-KUSUM programme?
The National Rural Livelihood Mission (NRLM) primarily focuses on which of the following?
The Teesta treaty has become a bone of contention between India and
In optics, the refractive index of a substance is described by the formula n = c/v, where c is:
Relevant for Exams:
