Elitmus Exam Category

if log 10 242=a

Read Solution (Total 1)

log(m*n)=logm+logn
log(2.42*100)=log2.42+log100 (where base is 10 )
thn log100=2 and log2.42=.39(approx)
so the ans shud be 2.4 (approx)
10 years agoHelpfull: Yes(0) No(2)

Elitmus Other Question

A number 10,10,101 when multiplied with N gives product P, such that N is any no with only 1 as its digit (eg. N = 11,111,1111,.......) .How many different digit can be possible in the product P.

(a) 2
(b) 3
(c) 4
(D) not remembered E J M * D I N
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HINT N=5