Quantitative Aptitude - Arithmetic Ability Questions

The value of cos (1110°) is

Choose the odd word/letters/number/number pair from the given alternatives.

Select the odd number from the given alternatives.

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

If tanθ + cotθ = 5, then the value of tan2θ + cot2θ is

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

PQRS is a square whose side is 16 cm. What is the value of the side (in cm) of the largest regular octagon that can be cut from the given square?

If a website is selling smartphone at Rs 18,000 which is marked at Rs 25,000, then what is the discount (in %) at which the smartphone is being sold?