Pramod Ruiya
Mental Calculation
Records
Record for Pramod Ruiya are displayed below:
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Mental Calculation
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The
Record for the "561 times Addition & 540 times Subtraction of 1101 rows of
single digit calculation: was achieved by 27 students of Sharp Mind Abacus,
Jabalpur, India under the leadership of Mr. Ruiya Pramod of India in 9 min and
53 sec. IRHR
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