Quantitative Aptitude - Arithmetic Ability Questions

The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is

Which of the following quadratic equations has real roots?

In simple interest rate per annum a certain sum amounts to Rs. 5,182 in 2 years and Rs. 5,832 in 3 years. The principal in rupees is

Find out the odd word/letters/number/number pair from the given alternatives.

If the cost of 17 m of cloth is Rs. 77 5/7, find its cost per meter in Rs.?

If Girish's salary is 4/9 times of Harishankar's and Shirish's salary is 5/6 times of Harishankar's, what is the ratio of Girish's salary to Shirish's.

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

If the ratio of the angle bisector segments of the two equiangular triangles are in the ratio of 3:2 then what is the ratio of the corresponding sides of the two triangles?