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Several alleles of a single gene are known to exist and each one of them governs a distinct form of the concerned character or trait. Such a situation is known as multiple allelism and all the alleles of a single gene are called multiple alleles. Example- ABO blood groups in human beings.
Train ‘A’ running with a speed of 90 km/h crosses a pole in 7 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a spee...
Train A running at speed of 144 km/hr crosses a platform having twice the length of train in 24 sec. Train B whose length is 800m crosses same platform ...
A train started from station P and preceded towards station Q at a speed of 90 km/h. 42 minutes later, another train started from station Q and preceded...
Two cars start from a place with a speed of 60 km/hr at an interval of 15 minutes. What is the speed of a man coming from the opposite direction towards...
The ratio of the length of two trains P and Q is 5:6 and the ratio of the time taken by both trains to cross a man standing on a platform is 2:3. If the...
Two trains running in a opposite directions crosses pole in 84s and 57s respectively and they cross each other in 72s. Find the ratio of their speeds?
A train takes 7 seconds more to cross a 210-metre-long platform than it takes to cross a pole. If a car running at the speed of 38 m/s takes 70 seconds ...
The length of a rectangle is 10 cm more than its width. If the perimeter of the rectangle is 40 cm, find the area of the rectangle.
A goods train departs from Jaipur towards Udaipur at 6:00 PM, while a passenger train leaves Udaipur for Jaipur at 9:00 PM. The two trains meet at Jaisa...
A train can cross a pole in 30 seconds. While if the train increased its speed by 55% then time taken by it to cross 351 metres long platform is 42 seco...
