allery994 × 1006 کی قدر کیا ہے؟
A999964
B999664
C999644
D996644
Answer & Solution
Correct answer: A. 999964
1. نوٹس 994 = 1000 − 6 اور 1006 = 1000 + 6۔
2. استعمال کریں (a − b)(a + b) = a² − b²، لہذا مصنوع 1000² − 6² ہے۔
3. یہ 1,000,000 −36 = 999,964 دیتا ہے۔
_Source: RRB Group D (RRC) PYQ, held 27-10-2013, Q.1._
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