Quantitative Aptitude - Arithmetic Ability Questions

If 9x2 + 16y2 = 60 and 3x + 4y = 6, then the value of xy is

Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?

In ΔUVW measure of angle V is 90 deg. If cosecU = 13/12, and UV = 2.5cm, then what is the length (in cm) of side VW?

What is the value of 64% of 75% of 8100?

Ajit is two times as good a workman as Badrinath and therefore is able to finish a job in 30 days less than Badrinath. Working together, they can do it in

Sharmi starts from Pune and Ritesh starts from Mumbai to meet each other. The Speed of Sharmi is 37 kmph, while the speed of Ritesh is 41 kmph. If the distance between Pune and Mumbai be 234 km and both Sharmi and Ritesh start their journey at the same time, when they will meet?

If A = 11x2+11x4+12x3+14x7+13x4+17x10... upto 20 terms, then what is the value of A?

24 men can complete a piece of work in 18 days while 12 women can complete the same piece of work in 28 days. 27 men start working and are replaced by 14 women after 8 days. In how many days will 14 women finish the remaining work?