# Quantitative Aptitude Test 4

In this section, you can find numerous aptitude questions with answers and explanation. The quantitative aptitude questions with answers mentioned above covers various categories and extremely helpful for competitive exams. All the answers are explained in detail with very detailed answer descriptions.

The quantitative aptitude questions mentioned above also contain aptitude questions asked for various placement exams and competitive exams. These will help students who are preparing for any type of competitive examinations.

Quantities aptitude questions given here are extremely useful for all kind of competitive exams like Common Aptitude Test (CAT),MAT, GMAT, IBPS Exam, CSAT, CLAT , Bank Competitive Exams, ICET, UPSC Competitive Exams, CLAT, SSC Competitive Exams, SNAP Test, KPSC, XAT, GRE, Defense Competitive Exams, L.I.C/ G. I.C Competitive Exams , Railway Competitive Exam, TNPSC, University Grants Commission (UGC), Career Aptitude Test (IT Companies) and etc., Government Exams etc.

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1. 20 persons are invited. In how many ways can they and the host be seated around a circular table such that two particular persons be seated on either side of the host?

2. Group A and B exchange gifts. The former gets roses and the latter gets beads. Each member of A contributes 2 beads and the cost to each memberin paise is equal to the number of members in the group. In group B, contribution is 10 roses each. If the cost of each rose is Re. 1, the expenditure of group Acannot exceed the expenditure of group B by:

3. Mohan has a number of brothers and sisters. He has twice as many sisters as brothers, but any one of his sisters has as many.brothers as sisters. How many children do his parents have in all?

4. Read the following informations carefully and answer the questions given below.

We are given that @ (A, B) = A + B and
# (A, B) = A/B

Which of the given choices is not equal to the following?
@ (@ (# (1, 2), 4), @ (4, # (2, 3)))

5. A typist can type a sheet in 5 minutes. Another types at the rate of 10 sheets an hour, and a third typist types 3/4th number of sheets as the second in half the time. Find the average speed per typist per minute.

6. 20 per cent of the population is affected with measles, x per cent with malaria. 40 per cent of the population has no disease. What per cent of the population has malaria? Assume there is no disease other than measles and malaria.

7. Concentrations of three wines A, B and C are 10, 20 and 30 percent respectively. They are mixed in the ratio 2: 3 : x resulting in a 23% concentrated solution. Find x.

8. Which of the following is equal to the average of x, y and z?

9. It takes 9 hours by train to travel a certain distance. If on the return trip a train is taken which runs 9 kmph faster than the first and it does it in 3/4th of the time it took the first train, how fast is the first train?

10. Amar takes either a bus or a local train to work. The probability of taking a bus is 0.3 and that of taking the local train is 0.7. When he takes the bus, he is late 30% of the working days and when he takes the train it is 20% of the days. On the particular Monday, he was late for work. What is the probability that he took the bus that day?