Quantitative Aptitude
A sold a mobile phoen to B at a gain of 25% and B sold it to C at a loss of 10%. If C paid Rs.5,625 for it, how much did A pay (in ₹) for the phone?
The value of
is :
A motorboat whose speed is 20 km/h in still water takes 30 minutes more to go 24km upstream than to cover the same distance downstream. If the speed of the boat in still water is increased by 2km/h, then how much time will it take to go 39km downstream and 30km upstream?
A can finish a piece of work in 16 days and B can finish it in 12 days. They worked together for 4 days, then A left. B finished the remaining work. How many total days did B work to finish the work completely?
If (x + 6y) = 8 and xy = 2, where x > 0, what is the value of (x3 + 216y3)?
The following graph shows export of cars of type A and B (in millions) from 2014 to 2018.
What is the ratio of total exports of type A cars in 2014 & 2017 to type B in 2015 & 2016?
In ΔABC, points P, Q, R are taken on AB, BC, CA respectively, such that BQ = PQ and QC = QR. If ∠BAC = 75°, what is the measure of ∠PQR (in degrees)?
If 4sin²θ - 3(1 + cosθ), 0° < θ < 90°, then what is the value of (2tanθ + 4sinθ - secθ)?
3\(\sqrt{15}\)- 4
15\(\sqrt{3}\) - 4
15\(\sqrt{3}\) + 3
4\(\sqrt{15}\) - 3