Quantitative Aptitude - Arithmetic Ability Questions

 In the following question, select the odd letter/letters from the given alternatives.

The ratio of sand to gravel in a mixture is 17:8 while that between gravel and cement is 6:17. What is the ratio of sand to cement in the mixture?

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 4:9 and if PQ = 27 cm, then what is the length of XY (in cm)?

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is

The greatest perfect square number of 6 digits is

A sump is filled by three tankers with uniform flow. The first two tankers operating simultaneously fill the sump in the same time during which the sump is filled by the third tanker alone. The second tanker fills the sump 5 hours faster than the first tanker and 4 hours slower than the third tanker. The time required by the first tanker is:

One-third of Poojitha's age three years ago plus one-half of her age two years from now is twenty years. How old is she now?

In ∆ABC, ∡A + ∡B = 75 and ∡B + ∡C = 140, then ∡B =