Quantitative Aptitude - Arithmetic Ability Questions

To cover a distance of 225 km in 2.5 hours what should be the average speed of the car in meters/second?

The average of 44 consecutive odd numbers is 144.What is the largest number?

Value of (cos 53° - sin 37°) is

If A is 6 times more than B, then by what percentage is B is less than A?

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?

The shopkeepers announce the same price of Rs. 700 for a sewing machine. The first offers successive discounts of 30% and 6% while the second offers successive discounts of 20% and 16%. The difference in their selling price is

What least number must be subtracted from 210, so that the sum is completely divisible by 11?

S does half as much work as T in 1/7 of the time taken by T. If together they take 21 days to complete a work, then how may days shall S take to complete that work alone?