For the following questions answer them individually
lf the distance betweentwo electrical charges is halved, then the force between them becomes
Who amongst the following was awarded Noble Prize for path breaking contributions-te--develop-treatmentfor Parkinson'sdisease?-
How many iron balls of radius 0.25 cm can be made out of solid iron sphere of 8 cms diameter ?
There were two candidates in an election, 10% of the voters did not vote, 60 votes were declared invalid. The elected candidate got 308 votes more than his opponent. If the elected candidate got 47% of the total votes, how many votes did each candidate get ?
The distance between two stations A and B is 300 kms. Twotrains simultaneously leave from station A and B. After they meet, the train travelling towards station A reachesthe station after 9 hours, whereas the train travelling towards station B reaches after 4 hours. Find the speed of each train in km/hr (A:B).