Quantitative Aptitude - Arithmetic Ability Questions

A, B and C are three points on a circle with centre O. The tangent at C meets BA produced at T. If ∠ATC = 30° and ∠ACT = 48°,then what is the value of ∠AOB ?

Find measure of central angle of the arc whose length is 22 cm and radius of the circle is 28 cm?

ΔXYZ is right angled at Y. If m∠Z = 60°, then Cosec X =

The sum of a non-zero number and 9 times its reciprocal is 10. What is the number?

Find the number that is as much greater than 49 as is less than 95.

A person clapped his hands near a cliff and heard echo after 6 s. The distance of the cliff from the personis: [take v = 346 m/s]

Surya works 3 times as fast as Ramya and is able to complete a work in 40 days less than the number of days taken by Ramya. Find the time in which they can complete the work together.