Inventions, Discoveries and Explorations
    What Elisha Otis invented?
    In 1853, American inventor Elisha Otis demonstrated a freight elevator equipped with a safety device to prevent falling in case a supporting cable should break. This increased public confidence in such devices. Otis established a company for manufacturing elevators and patented (1861) a steam elevator.Many people think that he invented the elevator, but the truth is, he invented the elevator brake. He also invented the railway safety brake.
    English Antonyms
    Antonym of TRACTABLE
    tractable means easily handled or managed; stubborn means difficult to handle or manage
    International and Regional Organisations
    Where is the headquarters of World Tourism Organization situated?
    Geography of Pakistan
    The Salt Range is located on the ________ side of the river Indus.
    English Synonyms
    Synonym of CHIMERA
    a chimera is a fabrication of the mind, or an illusion
    Capital City of World Countries
    The capital of Nauru is:
    Prepositions After Verbs
    Do not blame me _____ what happened. It was not my fault.
    English Antonyms
    Antonym of VIRULENT
    English Antonyms
    Antonym of LISSOME
    History of Indian Subcontinent
    The Indus valley civilisation was discovered in: