((1.49 × 14.9-0.51 × 5.1)/(14.9-5.1)) is equal to · ABC26GN0764

Subject: General Aptitude · Chapter: Decimal Fractions · Exam: S.S.C. 2004

$\left(\frac{1.49 \times 14.9-0.51 \times 5.1}{14.9-5.1}\right)$ is equal to

(a)0.20

(b)2.00

(c)20

(d)22

Answer

Answer (as printed): B

Explanation

Given expression $= \frac{1.49\times14.9 - 0.51\times5.1}{14.9-5.1} = \frac{10[(1.49)^2-(0.51)^2]}{10(1.49-0.51)} = (1.49+0.51) = 2$.

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Decimal Fractions