For the following questions answer them individually
Ajit Singh left from place P at 9.30 a.m. for place Q. and David Raj left place Q at 1.30 p.m. for place P. The distance between them is 416 km. If Ajit Singh’s speed is 44 km/h and David Raj’s speed is 52 km/h, then at what time will they meet each other?
The sum of three sides of an isosceles triangle is 20 cm, and the ratio of an equal side to the base is 3 : 4. The altitude of the triangle is:
The value of $$441 \div \left[270 \div \frac{3}{7} of 35 + \left(17 \div \frac{1}{3}\right) - \left(8\frac{1}{2} - \frac{5}{2}\right)\right]$$ is:
If $$\cot^2 \theta + \cot^4 \theta = 2$$, then the value of $$2 \sin^4 \theta + \sin^2 \theta$$ is:
A, B and C are three points on a circle whose centre is O. If angle BOC is equal to $$124^\circ$$, then what is the value (in degrees) of angle BAC ?
Who was appointed as UNICEF's celebrity advocate for a children's rights campaign in September 2020?
‘PVC’ is a high strength thermoplastic material widely used in applications, such as pipes, medical devices, wire and cable insulation. What is the full form of PVC?