Quantitative Aptitude - Arithmetic Ability Questions

The largest 5 digit number exactly divisible by 89 is:

If πsinθ= 1, πcosθ= 1, then (3tan 23θ+1) is

∆PQR is right angled at Q. If m∠R = 45°, then find the value of (cosecP - √3/2)

If C = 1200 and D = 1500, then D is how much percent more than C?

A number is decreased by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?

If the selling price is Rs 728 after getting a discount of 9%, what was the marked price?

Two numbers are in the ratio 2:5 and their HCF is 18. Their LCM is

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 8 cm, 6 cm and 7.2 cm respectively, find length of BC?