The sentence suggests that the discovery was important and led to further research. "Milestone" means a significant achievement or breakthrough, making it the most appropriate choice. "Dilemma" means a difficult situation, which does not fit. "Paradox" refers to a contradictory statement, which is unrelated. "Hazard" means a danger or risk, which does not match the context. "Downfall" means a decline or failure, which contradicts the positive tone.
Barry and Iris set off simultaneously from point A, aiming to reach point B. Barry travels faster than Iris, with their speeds being in a ratio of 5:3. ...
Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 9:4 respectively. Ajay left the place 30 seconds after Vishal. If af...
A vehicle travels at a speed of 'u' km/hr. After 2.5 hours, it increases its speed to (u + 12) and travels for another 1.5 hours. If the ratio of the di...
A car travels 50 km at a speed of 25 km/h and the next 80 km at a speed of 40 km/h. What is the average speed of the car for the entire journey?
Person 'A' begins a journey from Punjab to Delhi, driving initially at 120 km/hr. Every 36 minutes, he reduces his driving speed by 5 km/hr. If the dist...
A boy is traveling to a destination. If he moves at a speed of 20 meters per second, he arrives 20 seconds late. Conversely, if his speed is 40 meters p...
The Distance between two cities, Dehradun and Delhi is 220 km. Rakesh started from Dehradun at 9.30 am at a speed of 40 Km/hour and Suresh started from ...
The speed of a car is 25% more than that of a bike. Both of them start from a same point. After travelling for 5 hours, the speed of the bike is increas...
Pratham is traveling from Delhi to Banthara, a distance of 382 km. She starts her journey from Delhi at a speed of 120 km/h, and her speed decreases by ...
The speeds of Vishank and Karun are 60 km/hr and 90 km/hr. Initially, Karun is at a point P and Vishank is at a place Q. The distance between P and Q is...
