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4. Train travelling at a speed of 90 km/hr crosses a man standing on a platform
in 8 seconds. Find the time taken by the trai

By Harper

4. Train travelling at a speed of 90 km/hr crosses a man standing on a platform
in 8 seconds. Find the time taken by the train to cross the platform of length 250
kms.
a)
16 sec
b)
15 sec
18 sec
d)
20 sec
C)​

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Harper

Anita wrote the formula for oxygen molecule as 20. is it correct or not why​

एक वृत्तकार मैदान का व्यास 42 मीटर है इसके चारों और भीतर भाग में किनारे से सटी हुई एक सड़क बनी है यदि सड़क का क्षेत्रफल 770 मीटर ए

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