Quantitative Aptitude - Arithmetic Ability Questions

The greatest perfect square number of 6 digits is

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?

The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?

The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?

Select the odd number from the given alternatives.

ΔXYZ is right angled at Y. If m∠X = 30 deg, then find the value of (sinZ + √3).

Find the value of  x3 - y3, if x - y = 4 and xy = 12.

Average of the marks of 132 students of a college is 40. If the average of the marks of the passed students is 42 and the average of the marks of the failed students is 20, then what will be the respective ratio of the total marks of passed students and the total marks of failed students?