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The arithmetic mean of marks obtained by students of a class was 58. 20% of them achieved by the mean of the marks was 60 and the marks obtained by 30% the mean was 40. then find the mean of the marks obtained by remaining students?
A bike covers a distance of 420 meters in 84 seconds. What is its speed? एक बाइक 84 सेकण्ड में 420 मीटर की दूरी तय करती है। इसकी गति क्या है?
Four options have been given, out of which three are alike in some manner and one is different. Select the option that is different.
सूखा आशंकित क्षेत्र कार्यक्रम शुरु हुआ–
सेंटर गेज का प्रयोग किया जाता है –
What is the study of Moon called?
इसमें से कौन-सा टेक्टॉनिक प्लेट के मूवमेंट या शिफ्ट का कारण होता है जहाँ ये टेक्टॉनिक प्लेट मिलते हैं?
कक्षा शिक्षण में अधिगम को किस रूप में पहचाना जाता है?
Explanations:
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