Quantitative Aptitude - Arithmetic Ability Questions

90% of X = 40% of Y and Y = a% of X. What is the value of a?

Line segment AB is parallel to line segment CD. AD intersects BC in E. If lengths of AE, BC and ED are 12 cm, 12 cm and 18 cm respectively, what is the length of EC?

In the following question, select the odd word from the given alternatives.

∆ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).

The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increase by 25%. What is the age (in years) of the servant?

There are two buckets, smaller bucket can hold only 3/5th of the water as compared to the larger bucket. If 6,000 buckets of larger capacity are needed to fill a pond. Then how many smaller capacity buckets are needed to fill the same pond?

If the product of two numbers is 4941 and their LCM is 81, then their HCF is :

If Giridhar's salary is 5/3 times of Hariraj's and Shaunak's is 2/3 times of Hariraj's, what is the ratio of Giridhar's salary to Shaunak's.