TS Police Constable Prelims 2022 · Question 40

Question 40 of the TSLPRB Police Constable Preliminary Written Test 2022 (28 August 2022). Try it first, then open the answer and explanation.

1. PC Prelims 2022 · Q40 · Arithmetic · Numbers & Simplification

   The fraction equivalent to 2.57̅ is

   1. 232/99
   2. 232/90
   3. 257/90
   4. 257/99

   2.57̅ కు సర్వ సమానమైన భిన్నము

   1. 232/99
   2. 232/90
   3. 257/90
   4. 257/99
   Show answer

   Answer: (2) 232/90

   సమాధానం: (2) 232/90

   Only the 7 recurs, so 2.57̅ = 2.5777... For a mixed recurring decimal, subtract the non-recurring part and use one 9 per recurring digit and one 0 per non-recurring decimal digit: (257 − 25)/90 = 232/90.

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