(50 − ?/29)% of 4200 = 3√196. Find? A. 1350 B. 1450 C. 1550 D. 1421 Explanation: Solve the Equation stepwise.
(22×495 + 891×44)/(33×176 + 55×264) = ____. A. 1 B. 2 C. 69/28 D. 66/17 Explanation: Factor and simplify.
(180/37 of 14.8)/(17/60.1 of 180.30) = ____. A. 1.4 B. 1.6 C. 1.5 D. 1.2 Explanation: Evaluate fractions carefully.
(1.9 × 0.021)/(0.095 × 0.105) = ____. A. 1/20 B. 1/5 C. 4 D. 10 Explanation: Simplify the numerator and denominator.
(0.456² − 0.228²)/(0.456 + 0.228) = ____. A. 0.228 B. 0.456 C. 0.684 D. 1.0 Explanation: Use identity (a²−b²)/(a+b)=a−b.
Yalmaz covers 400 m in 2 min and Rayan covers 1 km in 300 sec. What is ratio of speeds ____. A. 2: 5 B. 4 : 3 C. 1: 2 D. 1: 1 Explanation: Both speeds are equal.