Rakhi got engaged 10 years ago. Rakhi's present age is 5/3 of her age at the time of engagement. If the present age of Rakhi's mother is twice that ofpresent age of Rakhi, then what was her mother's age (in years) at the time of her engagement?
Under the ‘National Electric Mobility Mission Plan’, the government wants to see 6-7 million electric and hybrid vehicles on Indian roads from year ______ onwards.