How much Mr. Gayle will receive after changing 3500 Indian rupees into US dollars?
(A) 34.52 Us dollar
(B) 54.52 Us dollar
(C) 60.52 Us dollar
(D) 46.35 Us dollar

HINT:- Before solving this question we must know that how many Indian rupees make one US dollar. So, the current rate of one US dollar is approximately 75.50 Indian rupees. 1 US Dollar = 75.50 Indian Rupees. As one US Dollar is equal to 75.50 Indian Rupees, therefore, one Indian Rupee will be equal to \[\dfrac{1}{75.50}\] US Dollar, So 1 Indian Rupee = \[\dfrac{1}{75.50}\] US Dollar

Complete step-by-step solution -
Let us now solve this question.
As mentioned in the hint provided above, one US dollar is equal to 75.50 Indian rupees and one Indian Rupee will be equal to \[\dfrac{1}{75.50}\] US Dollar.
So, as we need to convert 3500 Indian Rupees into US Dollar, we will follow the following method:-
As 1 Indian Rupee = \[\dfrac{1}{75.50}\] US Dollar
3500 Indian Rupees = \[3500\times \dfrac{1}{75.50}\]
                                     = approximately 46.35
So, Mr. Gayle will receive approximately 46.35 Us dollar after changing 3500 Indian rupees into US dollars.
Therefore, option (c) 46.35 is the correct one.

NOTE:- One must do all the calculations very carefully in this question. And not only in this question, the student should be very careful while solving any such question as any mistake in the calculations can make the answer wrong. This type of question is to be based on unit conversion .