Self Maths Puzzle Numerical Ability Number System

Consider a number 2^123!/7 calculate the reminder.

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Self Other Question

The distance between two cities A and B is 330 km. A cyclist starts from A at 8 am. and travels towards B at 60 km/hr. Another cyclist starts from B at 9 am. and travels towards A at 75 km/hr. At what time do they meet? 100 people standing in a circle in an order 1 to 100. No.1 has a sword. He kills next person (i.e.no. 2 )and gives sword to next to next (i.e no.3). All person does the same until only 1 survives. Which number survives at the last?