Quantitative Aptitude - Arithmetic Ability Questions

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

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)?

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.

Given: 5x -3(2x-7) > 3x - 1 < 7 + 4x; then x can take which of the following values?

ΔDEF is right angled at E. If cosD = 8/17, then what is the value of secF ?

Two circles are having radii 9 cm and 12 cm. The distance between their centres is 15 cm. What is the length (in cm) of their common chord?

The value of tan80° tan10° + sin270° + sin20∘

Which of the following ratios can be the ratio of the sides of a right angled triangle?