3/20 is what percent of 12/25 ____. A. 42.75% B. 31.25% C. 35.5% D. 40.5% Explanation: Divide fractions and convert.
3 men and 7 women complete work in 10 days. 4 men and 6 women complete in how many days ____. A. 50 B. 30 C. 40 D. 13 Explanation: Solve using work equations.
26.98% of 6002 + 45.01% of 4199 = ____. A. 2500 B. 3500 C. 3600 D. 4500 Explanation: Approximate values.
252 expressed as product of primes is ____. A. 2 × 2 × 3 × 3 × 7 B. 2 × 2 × 2 × 3 × 7 C. 3 × 3 × 3 × 3 × 7 D. 2 × 3 × 3 × 3 × 7 Explanation: Prime factorization.
25 men consume 250 kg of wheat in 20 days. How much will 20 men consume in same time ____. A. 300 B. 200 C. 250 D. 350 Explanation: Direct proportion.