Quantitative Aptitude - Arithmetic Ability Questions

Karan remembers that his sister's birthday is not after 18th August. Karan's mother remembers that Karan's sister birthday is before 20th August but after 17th August. On which date of August is Karan's sister birthday?

The sum of a fraction and 4 times its reciprocal is 13/3. What is the fraction?

The price of an article is cut by 36%, to restore to its original value, the new price must be increased by

Ramesh sold a phone at a loss of 5%. Had he sold it for Rs. 200 more, he would gave gained 15%. To gain 25%, he should sell it for

If a+b+c = 0, then (a^3 + b^3 + c^3)^2 = ?

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?

If a + b = 10 and ab = 24, then what is the value of a3 + b3?

What is the reflection of the point (-0.5, 6) in the x-axis?