Quantitative Aptitude - Arithmetic Ability Questions

If 1/6 of x - 7/2 of 3/7 equals - 7/4, then the value of x is

If x3-2x=3x, then the value of x2+1x2 will be

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?

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?

In the given figure, from the point P two tangents PA and PB are drawn to a circle with centre Oand radius 5 cm. From the point O, OC and OD are drawn parallel to PA and PB respectively. If the length of the chord ABis 5 cm, then what is the value (in deg) of COD?

The value of (1 - √2) + (√2 - √3) + (√3 - √4) + ..... + (√15 - √16) is

ABC is a right angled triangle. ∠BAC = 90 deg and ∠ACB = 60 deg. What is the ratio of the circum radius of the triangle to the side AB?