R-SAT Exam

If loga+logb = log(a+b), then a=?
option
A. b
B. b/(b-1)
C. None
D. (b-1)

Read Solution (Total 2)

B) ANS
log(a*b)=log(a+b)
a*b=a+b
a*b-a=b
a=b/(b-1)
10 years agoHelpfull: Yes(4) No(0)

option b using logarith property of log (a) +log(b)= log(ab)
9 years agoHelpfull: Yes(0) No(1)

R-SAT Other Question

John asked Renu which place she likes to visit ? direct speech for this sentence is
A. He told her, Which of these places you like to visit?
B. He said to her, Do you like these places?
C. He said to her, Which place do you like to visit?
D. He said, Which place you like to visit?
E. None
Evaluate [ 1/(1*2) + 1/(2*3) +..........+1/(n(n+1))]
option
A. 1
B. 2
C. 0
D. None
E. 3