APPSC Group-II Screening Test 2024 · Question 143

Question 143 of the APPSC Group-II Screening Test 2024 (25 February 2024). Try it first, then open the answer and explanation.

1. Screening 2024 · Q143 · Mental Ability · Numbers & Series

   Find the odd one out in the following series: 2, 4, 7, 11·5, 18·25, 28·375, 42·5625

   1. 11·5
   2. 7
   3. 28·375
   4. 42·5625

   ఈ క్రింది వరుసలో తప్పుగా ఉన్న సంఖ్యను గుర్తించండి : 2, 4, 7, 11·5, 18·25, 28·375, 42·5625

   1. 11·5
   2. 7
   3. 28·375
   4. 42·5625
   Show answer

   Answer: (4) 42·5625

   సమాధానం: (4) 42·5625

   The differences 2, 3, 4.5, 6.75, 10.125 grow by a factor of 1.5, so the next difference is 15.1875 and the last term should be 43.5625, not 42.5625.

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