CET 2025 Slot 2 · Quant – Page 9

Swati can row a boat on still water at a speed of 5 km/h. She rows the boat on a river from point X to point Y and back, where Y is N km upstream from X. It takes her 1 hour more to row 12 km upstream than to row 12 km downstream on this river. If she takes at least 2 hours to complete this round trip, what is the minimum possible value of N?

In a 3×3 magic square, the sum of entries in any row, column, or diagonal is the same number N. The cells are expressed in variables x, y, and z. Find the value of N.

B can finish a job in 40 days if he works alone. A is twice as fast as B and thrice as fast as C in the same job. Suppose A and B work together on the first day, B and C work together on the second day, C and A work together on the third day, and then, they continue the work by repeating this same three-day roster. What is the total number of days A would have worked when the job gets finished?

A glass contains 500 ml of milk and a cup contains 500 ml of water. From the glass, 150 ml of milk is transferred to the cup and mixed thoroughly. Next, 150 ml of this mixture is transferred from the cup to the glass. Now, the amount of water in the glass and the amount of milk in the cup will be in what specific ratio?

What shall be the arithmetic mean of all the distinct numbers that can be obtained by rearranging the digits in 1421, including itself?