Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word from the given alternatives.

Find the square root of 15625.

S, T and U together can complete a work in 30 days. If the ratio of efficiency of S, T and U is 20 : 15 : 12 respectively, then in how many days U alone can complete the same work?

A rice trader buys 16 quintals of rice for Rs 5632. 20% rice is lost in transportation. At what rate should he sell to earn 25% profit?

What least value must be assigned to '*' so that the numbers 451 *  603 is exactly divisible by 9?

3rd January 2018 was a Wednesday. Which of the following years will also have 3rd January on a Wednesday?

A number is increased by 84, it becomes 107% of itself. What is the number?

The entry ticket at a fun park was increased in the ratio 7 : 9, due to which footfalls fell in the ratio 13 : 11. What is the new daily collection (in Rs), if the daily collection before the price hike was Rs 2,27,500?