CAT Exam Numerical Ability

solve 7^281*3^264

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CAT Other Question

a and b together can complete a job in 8 days.b and c alone can complete the same job in 12 days.a and b works for 4 days,a leave.b continues for 2 more days and b leaves.c start working and finish the job.how many days did c require? make total of 24 with four zeros,using any sign