What is the unit digit in {(6374)¹⁷⁹³ × (625)³¹⁷}?

 Which letter has at least one line of symmetry? 

 If each edge of a cube is increased by 50%, find the percentage increase in its surface area. 

 A man invested Rs. 4455 in Rs. 10 shares quoted at Rs. 8.25. If the rate of dividend be 12%, his annual income is: 

5 clocks are ringing at 12 minutes, 8 minutes, 3 minutes, 4 minutes and 10 minutes. In 6 hours of time how many time they all ringing together ?

The area of similar triangles ABC and XYZ are 288 cm² and 162 cm² respectively. If the longest side of triangle ABC is 36 cm, then the longest side of triangle XYZ in cm is?

A shopkeeper makes a profit of 20% even after giving a discount of 20% on the marked price. What should be the marked price if the cost price of the article is Rs 500?

 A wall clock gains 2 seconds in every 1 minute. Assuming that it was set right at 8 am and if in the evening of the same day when the wall clock indicated half past 8 o’clock, the correct time is 

Four delegates Ashish, Brijesh, Chatur, and Dhanesh arrive to attend a meeting. Dhanesh arrives 10 minutes after Brijesh and 20 minutes before Ashish, who arrives 10 minutes before Chatur. Who is the first person to arrive at the meeting?

All the water in container A, which was filled to its brim, was poured into two containers B and C. The quantity of water in container B was 62.5% less than the capacity of container A. If 148 liters was now transferred from C to B, then both the containers would have equal quantities of water. What was the initial quantity of water in container A?