allery994 × 1006 ನ ಮೌಲ್ಯ ಎಷ್ಟು?
A999964
B999664
C999644
D996644
Answer & Solution
Correct answer: A. 999964
1. ಗಮನಿಸಿ 994 = 1000 - 6 ಮತ್ತು 1006 = 1000 + 6.
2. ಬಳಸಿ (a - b)(a + b) = a² - b², ಆದ್ದರಿಂದ ಉತ್ಪನ್ನವು 1000² - 6² ಆಗಿದೆ.
3. ಅದು 1,000,000 - 36 = 999,964 ನೀಡುತ್ತದೆ.
_Source: RRB Group D (RRC) PYQ, held 27-10-2013, Q.1._
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