exam Maths Puzzle Numerical Ability

Could you please assist me in solving this question?:
(3 points) Solve the following equation for n: nC2=100C98

Thank you,
Gary

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exam Other Question

please help me with the following question with a good explanation on how to work it out for me and my son, Thanks in advance! evaluate the expression: (1000!-999!)/998! SQRT of 2 - SQRT of 8 =