A plastic toy costs Rs. 7. A plastic spoon costs Rs. 5. X spends Rs. 38 on these plastic items. Find the number of plastic toys he/she purchased.
Show answer & explanation
Correct answer: D
Explanation
Let the number of plastic toys be x and plastic spoons be y.
According to the question:
7x + 5y = 38
Rearranging the equation for y:
Since x and y must be positive integers, must be a multiple of 5:
• For x = 4:
Thus, the combination of items purchased is 4 toys (at ₹7 each) and 2 spoons (at ₹5 each), giving .
Corresponding to the given correct option, the required value is 2.