Quantitative Aptitude - Arithmetic Ability Questions

The largest 5 digit number exactly divisible by 89 is:

A sells a watch to B and makes a loss of 12%. B makes a profit of 12.5% by selling the watch to C. If A sells the watch to B at the cost of which C purchased it, then the percentage of loss or profit of A will be,

Yayati sold an item at a loss of 13%. If he had sold it for Rs. 49 more, he would have made a profit of 22%. What should be the selling price of the item to gain a profit of 30%?

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

ΔABC and ΔDEF are two similar triangles and the perimeter of ΔABC and ΔDEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is

If secθ = cosecq with 0° < θ , q < 90°, then the value of sin (θ + q) is

If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?

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?