If two LED TVs and one mobile phone cost ₹31,000, while two mobile phones and one
LED TV cost ₹35,000, then the value of one mobile phone is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. Rs. 13,000
According to the question
2 LED + Mobile = 31000 ......(1
LED + 2 Mobile = 35000 ..........(2
Subtracting the [ 2 × Equation 2 and Equation 1]
4Mobile - Mobile = 35000 × 2 - 31000
3 Mobile = 70000 - 31000 = 39000
1 Mobile cost = 39000/3 = 13000 Rs