Quantitative Aptitude - Arithmetic Ability Questions

If 3 tan θ = cot θ where 0 < θ < π/2, then what is the value of θ ?

If 12x = 192- 112, what is the value of x?

How much simple interest will Rs. 4000 earn in 18 months at 12% per annum?

The average cost of 4 items in a shopping list is Rs 1,250. If one more item whose cost is Rs 2,000 is added to the list what will be the new average (in
Rs)?

A train 240 meters in length crosses a telegraph post in 16 seconds. The speed of the train is?

U starts a business by investing Rs 45000 and V join him after one year with an amount of Rs 33000. After two years from the starting of business, they earned profit of Rs 16400. What will be the U’s share (in Rs) in the profit?

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is