The ratio of the present ages of A to B is 7 : 3. The ratio of A’s age 4 years ago to B’s age 4 years hence is 2 : 1. The difference between A’s age 4 years hence and B’s age 4 years ago is:
B. White precipitate of silver chloride is produced.
44.
________ was launched in January 2021 to conceptualise innovative toys based on the Indian value system which will inculcate positive behaviour and good value among the children.
Of the options listed below, ________ is considered the most important contribution of the British rule in India in terms of infrastructural development.