A person covers 30% of a journey with a speed of 40 km/h, 50% of journey with 60 km/h and rest with a speed of 40 km/h. What is his average speed for whole journey in km/h?
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चीन ने तिब्बत पर आक्रमण कब किया?
The ability of a material to endure alternate wet and dry conditions for a long period without considerable deformation and loss of mechanical strength is called :
The current of 0.9A is drawn by a filament of an electric bulb for two minutes. The charge flowing through the circuit is ?
A drop of water of radius 10⁻⁵ cm has charge equal to that of an electron. The electric field required to keep the drop suspended in air will be approximately एक जल की बूंद जिसकी त्रिज्या 10.5 सेमी है जिस पर एक इलेक्ट्रान के बराबर आवेश है। इस बूंद को हवा में स्थिर लटकी हुई अवस्था में रखने हेतु आवश्यक विद्युत क्षेत्र का मान होना चाहिए?
Which of the following methods is NOT used for finding deflection of beam?
उस संख्या का चयन कीजिए, जो निम्न श्रेणी में प्रश्न चिह्न (?) के स्थान पर आएगी। 96, 98, 102, 110, 126, ?
ब्रॉड-गेज रेलवे लाइन की साइज होती है
Explanations:
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