Quantitative Aptitude - Arithmetic Ability Questions

Length of the sides of a triangle are a, b, c respectively. If a2 + b2 + c2 = ab +bc + ca then the triangle is

In the following question, select the missing number from the given series.34, 69, 140, 283, ?, 1145

If a2+1=9a, (a≠0) then the value of a2+1a2 is

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

The diagonal of a square is equal to the side of an equilateral triangle. If the area of the square is 15√3 sq cm, what is the area of the equilateral triangle?

Total surface area of a cube is 486 sq cm, find sum of length of all its edges?

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:­

The ratio of the present ages of Reena and her husband is 4 : 5. 8 years from now, ages of her husband and her son will be in the ratio 24 : 9. If the present age of Reena is 32 years, then what will be her son’s present age (in years)?