A computer printed 176400 lines in a given day. If the printer was in operation for 7 hours during the day, how many lines did it print per minute? (a) 280      (b) 360     (c) 420     (d) 440

A student a pages day for d day and then reads b page per day for 2d days . In terms of a,b,and d , how many pages did the student read ?

24 men can do a work in 14 days by working 6 hours a day. If’ the work is to be completed in 8 days by working to *7 hours per day how many men are required?

How many times in a day, are the hands of a clock in straight line but opposite in direction? (a) 20 (b) 22 (c) 24 (d) 48

A printing press produces 4,600 flyers per hour. At this rate, in how many minutes can the same printing press produce 920 flyers?

A and B can finish a work in 12 days, B and C in 15 days and A and C in 20 days. In how many days would A along finish the work? (A) 20 (B) 30 (C) 40 (D) 60

Rehana works 2 1/2 hours each day on her embroidery. She completes the work in 7 days. How many hours did she take to complete her work?

I have two watches with a 12 hour cycle.One of them gains one minute a day and the other loses 1(1)/(2) minutes per day.If I set them both at the correct time,how long will it be before they again tell the correct time together? (a) 288 days (b) 480 days (c) 720days (d) 1440 days

A can do a work in 20 days and B can do the same work in 30 days. In how many days, can A and B together do the work? (A) 10 (B) 12 (C) 15 (D) 16