Question
Which organelle acts as repository of genetic
information and is also the cell's control center?Solution
The nucleus is a membrane-bound organelle found in eukaryotic cells. It houses the cell's genetic material, including DNA, organized into structures called chromosomes.
A covers 'x' meters in 8 seconds, while B covers (x + 200) meters in 15 seconds. Also, B takes 10 seconds to cover 'x' meters. How long will it take A t...
A train travels from station βPβ to station βQβ at a constant speed. If its speed was increased by 20 km/h, it would have taken 1 hour less to c...
Bus P takes 30 minutes to cover a distance of 60 km. If bus Q is 20% faster than bus P. Find the time taken by bus Q to cover the same distance?
- In a 800 metres race, Tanya beats Ravi by 160 metres and Sumit by 240 metres. By how many metres does Ravi beat Sumit in the same race?
- Priya heard thunder 1.8 kilometers away, and the sound reached her ears after 20 seconds. What is the speed of the sound?
Harsh and Dev planned to meet each other. Dev starts to travel from point A to B at the speed of 42 kmph at 10:00 AM and Harsh starts from point B to A...
Chetak and Badal are two horses starting simultaneously from points 'D' and 'E' respectively and run toward each other. Chetak gallops at a speed of 60 ...
Ratio of speeds of βAβ and βBβ is 2:3, respectively. If they participate in a 450-metre race and βBβ gives βAβ, ahead start of βmβ m...
Anuj covered a distance of 188 km in 8 hours. He traveled part of the distance on a cycle at a speed of 15 km/hr and the remaining distance by walking a...
Due to fog, the speed of a train was reduced to (2/3)rd of its original speed, resulting in a delay of 45 minutes. Find the usual time taken ...