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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
If 213 = 419, 322 = 924, 415 = 16125; then 215 = ?
Solution
Rule → square 1st & last digits, keep middle same.
213 → 2² 1 3² = 4 1 9; 322 → 3² 2 2² = 9 2 4; 415 → 4² 1 5² = 16 1 25.
So 215 → 2² 1 5² = 4 1 25 = **4125**.
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