Question

cosider the string of numbers below 1 9 3 12

if it takes 2 sec to search for given number, then how long will it take to search the following numbers

a) 9 b)20 c)12 d)0 e)1​

Answer 1

Answer:

69 is the only number whose square and cube between them use all of the digits 0 to 9 once each: 692 = 4761 and 693 = 328,509. One pound of iron contains an ...