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In 1900, at the age of 21, Albert Einstein was a university graduate and unemployed. To manage his expenses, he worked as a teaching assistant and gave private lessons. He finally secured a job in 1902 as a technical expert in the patent office in Bern. While he was supposed to be assessing other people’s inventions, Einstein was actually developing his own ideas in secret. He is said to have jokingly called his desk drawer at work the “bureau of theoretical physics.” One of the famous papers of 1905 was Einstein’s Special Theory of Relativity, according to which time and distance are not absolute.
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Find the greatest number of four digits which is divisible by 14, 30 and 42.
If a number 'a' is divisible by 18 and another number 'b' is divisible by 12, then (a2 – b2) is divisible by:
What will be the remainder when 742 is divided by 48?
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The largest 5 digit number which is exactly divisible by ‘33’ is:
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