Arithmetic interview questions – page 2

Aruna cut a cake into two halves and cuts one half into smaller pieces of equal size. Each of the small pieces is twenty grams in weight. If she has seven pieces of the cake in all with her, how heavy was the original cake?

1. 120 grams
2. 240 grams
3. 280 grams
4. 320 grams

In a class, 20% of the members own only two cars each, 40% of the remaining own three cars each and the remaining members own only one car each. Which of the following statements is definitely true from the given statements?

1. 80% of the total members own at least one car.
2. 60% of the total members own atleast two cars each.
3. 48% of the total members own three car each.
4. Only 20% of the total members own three cars each.

Find the number which when added to itself 13 times, gives 112.

1. 6
2. 7
3. 8
4. 9

The total number of digits used in numbering the pages of a book having 366 pages is

1. 730
2. 792
3. 990
4. 1098

The total of the ages of Amar, Akbar and Anthony is 80 years. What is the total of their ages of three years ago?

1. 70 years
2. 71 years
3. 74 years
4. 77 years

The age of a father is twice that of the elder son. Ten years hence the age of the father will be three times that of the younger son. If the difference of ages of the two sons is 15 years, the age of the father is

1. 70 years
2. 60 years
3. 55 years
4. 50 years

A bus starts from city X. The number of women in the bus is half of the number of men. In city Y, 10 men leave the bus and five women enter. Now, number of men and women is equal. In the beginning, how many passengers entered the bus?

1. 15
2. 30
3. 45
4. 60

The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class?

1. 40
2. 42
3. 44
4. 48

A farmer built a fence around his square plot. He used 27 fence poles on each side of the square. How many poles did he need altogether?

1. 100
2. 101
3. 102
4. 104

Between two book ends in your study are displayed your five favourite puzzle books. If you decide to arrange the five books in every possible combination and moved juts one book every minute, how long would it take you?

1. 4 hours
2. 3 hours
3. 2 hours
4. 1 hour

A man has a certain number of small boxes to pack into parcels. If he packs 3, 4, 5 or 6 in a parcel, he is left with one over; if he packs 7 in a parcel, none is left over. What is the number of boxes, he may have to pack?

1. 300
2. 301
3. 303
4. 309

A motorist knows four different routes from Bristol and Birmingham. Fro, Birmingham to Sheffield he knows three different routes and from Sheffield to Carlisle he knows two different routes. How many routes does he know from Bristol to Carlisle?

1. 8
2. 16
3. 24
4. 32

I have a few sweets to be distributed. If I keep 2, 3 or 4 in a pack, I am left with one sweet. If I keep 5 in a pack, I am left with none. What is the minimum number of sweets I have to pack and distribute?

1. 22
2. 25
3. 37
4. 54

The 30 members of a club decided to play a badminton singles tournament. Every time a member loses a game he is out of the tournament. There are no ties. What is the minimum number of matches that must be played to determine the winner?

1. 25
2. 27
3. 29
4. 61