Quantitative Aptitude - Arithmetic Ability Questions

Find the total surface area (in cm²) of a right circular cone of diameter 14 cm and slant height 10 cm.

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is

Manish lent out Rs 20000 in two parts. He put out first part at 6% and the second part at 8% interest. The yearly average interest comes out to be 6.4%.What are the amounts (in Rs) that were lent at 6% and 8% respectively?

After buying a toy for Rs.45, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

In the following question, select the odd word from the given alternatives.

P + Q = 2(P-Q). If Q = 10, what is the value of P?

The angles of elevation of the top of a tower 72 metre high from the top and bottom of a building are 30° and 60° respectively. What is the height (in metres) of building?

In what ratio wheat costing Rs 17/kg mixed with another wheat costing Rs 12/kg to get a mixture costing Rs 13.5/ kg?