Quantitative Aptitude - Arithmetic Ability Questions

19 personswentto a hotel for a combineddinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 4 more than the average expenditure of all the 19. What was the total money spent by them?

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?

Sec 45% + Tan 30% =

What is the value of tan 7π/4?

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

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

If x = a cosθ+ b sinθ and y = b cosθ- a sinθ, then x2 + y2 is equal to

A, B and C can finish a job working alone in 20, 30 and 60 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to finish the remaining part of the job?