alleryاگر مکعب کا کنارہ آدھا ہو جائے تو اس کا حجم اصل حجم سے کتنے گنا کم ہو جاتا ہے؟
A1/3
B1/4
C1/8
D1/2
Answer & Solution
Correct answer: C. 1/8
1۔
ایک کیوب کا حجم = (کنارا)^3۔
2۔
کنارے کو آدھا کرنے سے حجم = (Edge/2)^3 = (کنارا)^3 / 8 ملتا ہے۔
3۔
تو نیا والیوم اصل کا 1/8 ہے۔
_ماخذ: RRB گروپ D CEN-02/2018 PYQ, Q.12._
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