Question

write a 5 digit number that starts with 3 and ends with 3 and the difference between its consecutive digits is 3.how many such numbers are possible?

Answer 1

Dear student

$$\begin{gathered} 5\mathrm{digit}\mathrm{number}\mathrm{that}\mathrm{starts}\mathrm{with}3\mathrm{and}\mathrm{ends}\mathrm{with}\mathrm{digit}3\mathrm{and}\mathrm{difference}\mathrm{between}\mathrm{its} \\ \mathrm{consecutive}\mathrm{digits}\mathrm{is}3\mathrm{will}\mathrm{be}\mathrm{given}\mathrm{by}: \\ 33693 \\ \mathrm{There}\mathrm{will}\mathrm{be}\mathrm{just}\mathrm{one}\mathrm{number}. \end{gathered}$$
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