Train A takes 1 hour more than train B to travel a distance of 720 km. Due to engine trouble, speed of train B falls by one third, so it takes 3 hours more than Train A to complete the same journey? What is the speed of Train A (in km/hr)?
Consider a pencil dipped in water in a glass beaker. If the water is replaced by kerosene or turpentine, will the pencil appear displaced to the same extent? एक कांच के बीकर में पानी में डूबी एक पेंसिल पर विचार कीजिए। यदि पानी के स्थान पर केरोसिन या तारपीन डाल दिया जाए, तो क्या पेंसिल उतनी ही विस्थापित दिखाई देगी?
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Which of the following defects in timber due to abnormal growth has longitudinal cracks that are usually normal to the annular rings? असामान्य वृद्धि के कारण इमारती लकड़ी में निम्नलिखित में से किस दोष में अनुदैर्ध्य दरारें होती है जो आमतौर पर वार्षिक वलय के लम्बवत होती है-
टपकन सिद्धांत (आपमात्रीय सिद्धांत) निम्नलिखित में से किस पर आर्थिक वृद्धि के प्रभाव को नजर अंदाज करता है?
Which of the following does not come under the three major periods of the Stone Age?
Which option represents the correct order of the given words as they would appear in an English dictionary? 1. Dovetail 2. Domestic 3. Dominate 4. Donate 5. Dorsal
Which of the following number will replace the question mark (?) in the given series? 48, 52, 26, 30 15, ?
Explanations:
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