CBSE Class 10 Sample Paper for 2023 Boards - Maths Standard

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Question 38 (iii) - CBSE Class 10 Sample Paper for 2023 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at August 10, 2026 by

What is the speed of the plane in km/hr.

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Question 38 (iii) What is the speed of the plane in km/hr. If Distance BC is found Speed of airplane = (š·š‘–š‘ š‘”š‘Žš‘›š‘š‘’ š‘”š‘Ÿš‘Žš‘£š‘’š‘™š‘™š‘’š‘‘ š‘–š‘› 30 š‘ š‘’š‘š‘œš‘›š‘‘š‘ )/(30 š‘ š‘’š‘š‘œš‘›š‘‘š‘ ) = 6000/30 m/s = 200 m/s = 200 Ɨ (1 š‘šš‘’š‘”š‘’š‘Ÿ)/(1 š‘ š‘’š‘š‘œš‘›š‘‘) = 200 Ɨ (šŸ/šŸšŸŽšŸŽšŸŽ š’Œš’Ž)/(šŸ/šŸ‘šŸ”šŸŽšŸŽ š’‰š’š’–š’“š’”) = 200 Ɨ 1/1000 Ɨ3600/1 km/hr = 720 km/hr If Distance BY is found Speed of airplane = (š·š‘–š‘ š‘”š‘Žš‘›š‘š‘’ š‘”š‘Ÿš‘Žš‘£š‘’š‘™š‘™š‘’š‘‘ š‘–š‘› 15(āˆš3āˆ’1) š‘ š‘’š‘š‘œš‘›š‘‘š‘ )/(15(āˆš3āˆ’1) š‘ š‘’š‘š‘œš‘›š‘‘š‘ ) = (3000(āˆš3 āˆ’ 1))/(15(āˆš3 āˆ’ 1)) m/s = 200 m/s = 200 Ɨ (1 š‘šš‘’š‘”š‘’š‘Ÿ)/(1 š‘ š‘’š‘š‘œš‘›š‘‘) = 200 Ɨ (šŸ/šŸšŸŽšŸŽšŸŽ š’Œš’Ž)/(šŸ/šŸ‘šŸ”šŸŽšŸŽ š’‰š’š’–š’“š’”) = 200 Ɨ 1/1000 Ɨ3600/1 km/hr = 720 km/hr

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