Quantitative Aptitude - Arithmetic Ability Questions

If x = 999, y = 1000, z = 1001, then the value of x3+y3+z3-3xyzx-y+z is

If 2x + 2(4 + 3x) < 2 + 3x > 2x + x/2; then x can take which of the following values?

Select the odd word/letters/number/number pair from the given alternatives.

In a trapezium, one diagonal divides the other in the ratio 2 : 9. If the length of the larger of the two parallel sides is 45 cm, then what is the length (in cm) of the other parallel side?

Two trains are moving in the opposite directions at speed of 43 km/h and 51 km/h respectively. The time taken by the slower train to cross a man sitting in the faster train is 9 seconds. What is the length (in metres) of the slower train?

On selling 25 shirts, a retailer earns profit equal to the cost price of 8 shirts. What is the profit percentage?

Karan, Arjun, Preeti, Priya and Ashish are travelling in a car. Three years ago, the average age of Arjun, Preeti and Priya was 42 years. If the present age of Karan is 65 years and the present average age of all five is 50 years, then what is the present age of Ashish?

The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is