Questions

Name the Russian chemist who stated that the properties of elements are a periodic function of their atomic masses?

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

Find the odd word/letters/number from the given alternatives.

World Wetland day is celebrated every year on ___ February.

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

In figure, DE || BC. If DE = 3 cm, BC = 6 cm and area of ΔADE = 15 sq cm, then the area of ΔABC is

Who was conferred the Arjuna Award for wrestling in 2015?

Which Indian king used naval power to conquer parts of East Asia?