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. 1,2,3,4,5 use these numbers to form numbers such that no number is repeated and there are 1 to 5 digit numbers.

Read Solution (Total 3)

there will be 1 to 5 digit numbers..
so
5P1+5P2+5P3+5P4+5P5=325
12 years agoHelpfull: Yes(23) No(0)

5+20+60+120+120=325
12 years agoHelpfull: Yes(7) No(0)
5!+4!+3!+2!+1!=153
12 years agoHelpfull: Yes(0) No(6)

TCS Other Question

. Father is 5 times efficient then son. and can do work in 40 days earlier. in how many days they can do work together? when numbers are written in base b, we have 12x25=333. The value of b is
a)6 b)8 c)7 d)none of these