Practice mode / Time and Work 12 women or 16 girls can do a certain job in 20 days. 14 women and 8 girls can do the same job in how many days? A Option A: 15 B Option B: 7 C Option C: 12 D Option D: 9 Correct answer C. 12 Show answer Report a problem How we write and check questions
Question 01 / Time and Work A can type 60 pages in 15 hours. A and B can type 150 pages in 25 hours. How long will it take B alone to type 120 pages? A Option A: 40 hours B Option B: 45 hours C Option C: 55 hours D Option D: 60 hours Correct answer D. 60 hours Show answer Open question
Question 02 / Time and Work A and B together can fill a ditch in 30 days while A alone can fill it in 50 days. If B does the work for only half a day daily how long will it take to fill the ditch by A and B? A Option A: 25 days B Option B: 67/2 days C Option C: 75/2 days D Option D: 32 days Correct answer C. 75/2 days Show answer Open question
Question 03 / Time and Work Working 8 hours a day a work is done in 10 days. For how many hours a day must the work be done in order to complete it in 8 days. A Option A: 12 hours B Option B: 10 hours C Option C: 9 hours D Option D: 9 Correct answer B. 10 hours Show answer Open question
Question 04 / Time and Work Two pipes can fill an empty tank in 10 and 15 hrs respectively. If waste pipe C is opened both A and B together can fill the tank in 5 hours. The waste pipe can empty the full tank in A Option A: 30 hrs B Option B: 50 hrs C Option C: 60 hrs D Option D: 40 hrs Correct answer A. 30 hrs Show answer Open question
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