Question
Which among the following is an example of a point
mutation?Solution
Sickle cell anemia is caused by a point mutation in the Ξ²-globin gene, where glutamic acid is replaced by valine at position 6 of the hemoglobin molecule.
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...
The average speed of a bus is 2/3 of the average speed of a car which covers 1800 km in 20 hrs. What is the average speed of the bus?
A man is travelling at a speed of 20 km/h such that he will take 60 minutes to reach his destination. But after completing half the journey, the man too...
- Meera noticed the sound of fireworks from a distance of 2.1 kilometers, reaching her after 24 seconds. Find out the speed of the sound.
Find the distance travelled (in km) by the truck to reach point B from point A, if a car cover 50% the same distance in 2 hours 30 minutes and a truck c...
A person travels 240 km partly by car and partly by train. He spends 2 hours more traveling by train than by car. The speed of the car is 60 km/h, and t...
- P' travelled from Delhi to Agra, covering a total distance of 396 km. For the initial three hours, he maintained an average speed of βaβ km/h. After th...
Two trains for Mumbai leave Delhi at 6 a.m. and 6:30 a.m. and travel at 100 km/h and 136 km/h respectively. Approx. how many km from Delhi will the two ...
In a 500-metre race, βAβ beats βBβ by 15 seconds or 75 metres. Find the time taken by βBβ to finish the race.
- Two cars βXβ and βYβ, which were 750 km apart, started traveling towards each other at the same time and met after 6 hours. If the speed of car β...
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