How many multiples of 3, 4, and 5 are there between 500 and 700?

Complete the missing letters in the series:

RQP, ONM, ___, IHG, FED

Choose the word that means 'one who travels from place to place'.

5 boys and 5 girls sit around a circular table. What is the probability that all 5 boys are sitting together?

Arvind's father's age is 4 times Arvind's age. If the father's age was 7 times Arvind's age 5 years ago, what is the father's present age?

Twenty years ago, Utkarsh was thrice as old as Saransh was but 20 years hence, he will be only twice as old. Find Utkarsh's present age.

 Rohit starts a travel agency by investing Rs. 40000. After 4 months Raj joins the agency. Raj invests Rs.50000. What will be the profit share of Raj if they earn a total of Rs 187000 as profit in the entire year? 

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for?

 Jay, Veeru and Basanti start a travel agency. Jay contributes Rs. 9100, while Veeru and Basanti invest Rs. 6825 and Rs. 8190 respectively. If Jay, Veeru and Basanti invest for 3 months, 2 months and 5 months respectively. How much will Veeru get out of total profit of Rs. 4158?
 

 A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank at the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. Time required by the first pipe to fill the tank is