allery994 × 1006 चे मूल्य काय आहे?
A999964
B999664
C999644
D996644
Answer & Solution
Correct answer: A. 999964
1. सूचना 994 = 1000 − 6 आणि 1006 = 1000 + 6.
2. (a − b)(a + b) = a² − b² वापरा, म्हणून उत्पादन 1000² − 6² आहे.
3. ते 1,000,000 − 36 = 999,964 देते.
_Source: RRB Group D (RRC) PYQ, held 27-10-2013, Q.1._
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