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1) If 1.5x = 0.06y, then the value of (y-x/y+x) is:
A) 24/25 B) 24/26 C) 25/26 D) 25/27
2) If (1/2+1/4) = x/15, then x is
A) 10 B) 12 C) 13.75 D) 11.25
3) The value of ((0.8254)3 - (0.0439)3 )/ ((0.0439)2 - 0.0439*0.8254+(0.8254)2)
is:
A) 0.8693 B) 0.8695 C) 0.8593 D) 0.8592
Answer & Explanation
Answer: 0.8693 (Given expression=
(a3+ b3/a3-ab+b2)
=(a+b)
=0.0439+0.8254=.8693
)
4) The value of (1.357-0.236)²+
(1.357+0.236)²/(1.357*1.357+0.236*0.236) is
A) 2.582 B) 2 C) 2.966 D) 3.25
5) If 21 = 4.58.what is the value of 7/3
A) 1.622 B) 1.588 C) 1.529 D) 1.527
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