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RPF Sub-Inspector (Executive) 2019 · Question 59 of 82

There is 10 rings in a gift box. The average weight of the first 4 rings is 39 grams and the remaining 6 rings have an average weight of 40 grams. Get the average weight of the total rings. (In the village)

  1. A39.4
  2. B39.2
  3. C39.6Correct
  4. D39.8 ixamBee Offers Online Course for Preparation of RBI Gr. SEBI Gr. A, NABARD Gr. A/B exams For Free Demo, visit www.ixamBee.com or Contact us at 9205524028 (SMS/WhatsApp/call) RPF SI Previous Year Paper 06-Jan-2019

Answer: C. 39.6

Explanation

The average weight of the first 4 rings = 39 gm Sum of weight of the first 4 rings = 39 4 = 156 gms . The average weight of the last 6 rings = 40 gm Sum of weight of the last 6 rings = 40 6 = 240 gms Total weight of the 10 rings = 156 + 240 = 396 gms Average weight of the 10 rings = 396/10 = 39.6 gms a . ix

Source: RPF SI Previous Year Paper 06-Jan-2019 — answer key & detailed solutions (ixambee PDF) · reliable-secondary

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