Quantitative Aptitude - Arithmetic Ability Questions

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

Find the least number among  59, 949, 0.43 and 0.72.

The denominator of a rational number exceeds its numerator by 10. If the numerator is increased by 4 and the denominator is reduced by3, the number obtained is 5/6. The original rational number is

The volume (in cu.cm.) of a right circular cylinder with radius 1 cm and height 2 cm is: pi = 22/7

In the given fig, ST||RP, then what is the value of supplementary angle y (in deg)?

The average marks of 10 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 34 instead of 43. What is the correct average?

 Out of two numbers, 65% of the smaller number is equal to 45% of the larger number. If the sum of the numbers is 2574, then what is the value of larger number? 

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