general Maths Puzzle

What does the hexanumber E74 in radix 7??

Read Solution (Total 2)

(E74)16 = (1474)10= (4204)7
12 years agoHelpfull: Yes(0) No(1)

Ans.14351 in radix 7

Solution:
(E74)base 16 = (15*16^2+7*16+4)base10
= (3840+112+4)base10 = (3956)base10
= (1*7^4+4*7^3+3*7^2+5*7+1)base10
= (14351)base7
12 years agoHelpfull: Yes(0) No(1)

general Other Question

A boy has Rs 3. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1. He can loose only 3 times. He is out of the game if he earns Rs 5. Find the number of ways in which this is possible? The third and tenth terms of a geometric sequence are 9 and 19683 respectively. Which term of the sequence is 59,049?