Quantitative Aptitude - Arithmetic Ability Questions

A train crossed a 140 m long platform in 15 seconds and a 180 m long platform in 17 seconds. The speed of the train was

From an external point two tangents to a circle are drawn. The chord passing through the points of contact subtends an angle72° at the centre. The angle between the tangents is?

ABCD is a cyclic quadrilateral ∠DBA=50° and ∠ADE=33°, then the measurement of ∠BCD is

ABCD is a parallelogram in which AB = 7 cm, BC = 9 cm and AC = 8 cm. What is the length (in cm) of other diagonal?

If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?

Anil can do a piece of work in 14 days which Rohit can do in 21 days. They worked together for few days after which Anil left. If Rohit worked alone for 3 days, find the total number of days it took to complete the whole work.

Given: 2x - 4 ≤ 2 - x/3 and 2(2x + 5) > 3x - 5, then x can take which of the following values?

What is the value of (cos45° + 1/3) ?