Multiple choice

In what ratio must a shopkeeper have to mix the two varieties of rice costing Rs 28 and Rs 40 per kg respectively so as to get a mixture worth Rs 36 per kg ? किस अनुपात में दुकानदार को चावल की दो किस्मों को क्रमशः 28 रुपये और 40 रुपये प्रति किलो के हिसाब से मिलाना होगा , ताकि 36 रुपये प्रति किलो के हिसाब से मिल सके ?

  1. 4 : 7

  2. 2 : 3

  3. 1 : 2

  4. 5 : 8

  5. None of these इनमे से कोई नहीं
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Using allegation method: Rice at Rs.28 is Rs.8 below the target Rs.36, while rice at Rs.40 is Rs.4 above. The ratio is the inverse of these differences: (40-36):(36-28) = 4:8 = 1:2. This means for every 1 kg of Rs.40 rice, mix 2 kg of Rs.28 rice.

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