For the following questions answer them individually
Let $$\triangle$$ABC $$\sim$$ $$\triangle$$QPR and $$\frac{ar(\triangle ABC)}{ar(\triangle PQR)} = \frac{4}{25}$$. If AB = 12 cm, BC = 8 cm and AC = 10 cm, then QR is equal to:
A earns ₹640 per day and worksfor 8 hours per day. B earns ₹360 per day and works for 6 hoursper day. The ratio of per day wages of B to that of A is:
The compound interest on a certain sum of money at 21% for 2 years is ₹6,961.5. Its simple interest (in ₹) at the same rate and for the same period is:
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and $$\angle$$ADC = 126$$^\circ$$. $$\angle$$BAC is equal to:
The ratio between the speeds of twotrains is 2 : 5. If the first train runs 250 km in 5 h, then the difference between the speeds(in km/h) of both the trains is:
If $$\cos \theta = 4x and \sin \theta = \frac{4}{x}$$(x ≠0), then the value of $$\left(x^2 + \frac{1}{x^2}\right)$$ is:
The given Bar Graph presents the results in terms of the number of students in a school for the five academic years, 2013-2014 to 2017-2018.
What is the approximate percentage (Correct to nearest integer) of the students who failed during the five academic years taken together?
If the seven digit number 64x29y6(x > y) is divisible by 72, what is the value of (2x - 3y)?