How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A. 3.5 years
B. 4 years
C. 4.5 years
D. 5 years
E. None of these
Answer: Option B
Solution(By Examveda Team)
$$\eqalign{ & {\text{Time}} = \left( {\frac{{100 \times 81}}{{450 \times 4.5}}} \right){\text{years}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\, = 4\,{\text{years}} \cr} $$This Question Belongs to Arithmetic Ability >> Interest
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(100*81)/(450*4.5)=81so aap ka ans 4 kaise ata hain i can not understand