Questions
Solve: 32x+1 = 92x-1
In a survey of 2000 Indian tourists who arrived in Nepal, 65% wished to visit Pashupati, 50% wished to visit Chandragiri and 45% wished to visit Manakamana. Similarly, 35% wished to visit Pashupati and Chandragiri, 25% to Chandragiri and Manakamana, and 20% to Manakamana and Pashupati. If 5% wished to visit none of these places, find the number of tourists who wished to visit all these three places.
In a survey of 125 students of class 10 in a school, 65 preferred to visit Lumbini, 75 preferred to visit Pokhara and 25 preferred both the places in their annual excursion.
(i) Show the above information in a Venn-diagram
(ii) Find the number of students who liked neither of two places.
(iii) Find the number of students who liked only Lumbini.
The gravitational force produced between any two objects kept 2.5×10^4 km apart is 580N. At what distance should they be kept so that the gravitational force becomes half?
Mass of Jupiter is 1.9×10^30 kg and mass of the Sun is 2×10^30 kg. Calculate the distance between them if the gravitational force between them is 4.3×10^29N.
When a man travels from Hilly region to Terai region, what will happen to his weight?
Kathmandu lies at high altitude than Biratnagar from sea level. Where does an object has more weight between two places? Give reason.
What is the value of acceleration due to gravity on the surface of the moon in S.I. unit?
What is an acceleration due to gravity?