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Since the distance travelled by a boy (going to school and coming back from school) is equal. So, average speed = 2xy/(x + y) Average speed = (2 x 65 x 35)/(65 + 35) Average speed = (2 x 65 x 35)/100 = 45.5 km/hr
Which bacterium is responsible for causing peptic ulcers?
Which human organ contains the 'Islets of Langerhans?'
Which vein carries oxygen-rich blood from the lungs to the heart?
The study of lizards is known as
Which nutrient is predominantly found in apples?
Which discipline focuses on the study of flowers and flowering plants?
Which of the following disease is caused by the deficiency of iodine in food?
Where is bile stored in the human body?
What substance is stored and concentrated in the gall bladder?
How many pairs of ribs are typically present in the human body?
