Time and Work is a high-frequency and high-impact topic in Arithmetic for CAT 2026, with repeated appearances across CAT Quant sections in various formats. This page includes targeted CAT arithmetic important questions covering individual work rates, pipe and cistern problems, and combined efficiency-based applications. These are designed around repeated CAT concepts for exam-level practice and conceptual clarity.
Q101. Four inkjet printers and two dot-matrix printers completes a certain job in 60% time taken by three inkjet printers and one dot-matrix printer to finish the same job. How much more/less time will 9 inkjet printers take as compared to 3 dot-matrix printers take to finish another job?
Q102. Harish takes 35 minutes to sew a flannel shirt. He gets Rs. 55 to stitch one flannel shirt up to 15 shirts in a day. If he stiches more than 15 shirts, he gets Rs. 115 for every extra shirt. He takes a break of 5 minutes after sewing one lot of 5 shirts. One day he gets Rs. 1400 for sewing few shirts. If he does not take any break other than the break mentioned earlier, after how much time (in minutes) he must have finished sewing the last shirt that day?
Q103. A tank has an inlet pipe as well as an outlet pipe. If only inlet pipe is opened, initially empty tank is completely filled in 8 hours. On the other hand, if both the pipes are opened, initially empty tank is completely filled in 10 hours. Raju started the inlet pipe for filling the empty tank. However, when the tank was half filled, someone started the outlet pipe by mistake. How much more time (in minutes) would it take to completely fill the tank than the time taken if only inlet pipe was opened?
Q104. Inlet A fills 20% of a tank in 10 minutes while inlet B fills 60% of the tank in 15 minutes. How much time is required to fill the empty tank, if both the inlets are opened simultaneously?
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