Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word from the given alternatives.

Speed of a boat along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is

If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?

In a triangle PQR, ∠Q = 90°. If PQ = 12 cm and QR = 5 cm, then what is the radius (in cm) of the circum circle of the triangle?

The LCM of 56, 84 and 112 is

Tribeni bad to travel 175 km in 3.5 hours. However, she travelled at the rate of 58 km/hr for 2.5 hoursand then rested for 20 minutes before completing the journey. If Tribeni managed to reach on time, herspeed during the last stretch would have been .........

Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?

A person borrows some money for 4 years at the rate of simple interest. If the ratio of principal and total interest is 5 : 1, then what is the rate ( in percentage) of interest?