Quantitative Aptitude - Arithmetic Ability Questions

A trader buys 800 kgs of tomatoes for Rs 7200. 10% tomatoes are damaged in transportaion. At what rate (Rs/Kg) should he sell the rest to earn 30% profit?

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 429, then what is the difference between the first and the third number?

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?

If tan A = 1/2 and tan B = 1/3, then what is the value of tan (2A + B)?

Find the LCM of 0.63, 10.5, 2.1, 4.20

If x + (1/x) = 2, then what is the value of x64 + x121?

Rs. 490 is divided among A, B and C such that A's share is half that of B's and thrice that of C's. What is C's share?

The first and last terms of an arithmetic progression are 32 and ­-43. If the sum of the series is ­-88, then it has how many terms?