Arithmetic interview questions

A father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son (in years) is

1. 12
2. 13
3. 15
4. 18

A group of 1200 persons consisting of captains and soldiers is travelling in a train. For every 15 soldiers there is one captain. The number of captains in the group is

1. 70
2. 75
3. 80
4. 85

In a cricket match, five batsmen A, B, C, D and E scored an average of 36 runs. D scored 5 more than E, E scored 8 fewer than A, B scored as many as D and E combined and B and C scored 107 between them. How many runs did E score?

1. 10
2. 20
3. 45
4. 60

A man has Rs. 480 in the denominations of one rupee notes, five rupee notes and ten rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?

1. 45
2. 75
3. 90
4. 95

A girl counted in the following way on the fingers of her hand : she started by calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5 and then reversed direction calling the ring finger 6, middle finger 7 and so on. She counted upto 1994. She ended counting on which finger?

1. Middle finger
2. Ring finger
3. Index finger
4. Thumb

After distributing the sweets equally among 25 children, 8 sweets remain. Had the number of children been 28, 22 sweets would have been left after equal distribution. What was the total number of sweets?

1. 328
2. 338
3. 348
4. 358

A number consists of two digits whose sum is 11. If 27 is added to the number, then the digits change their places. What is the number?

1. 37
2. 47
3. 65
4. 83

A student got twice as many sums wrong as he got right. If he attempted 48 sums in all, how many did he solve correctly?

1. 12
2. 14
3. 16
4. 18

An enterprising businessman earns an income of Re. 1 on the first day of his business. On every subsequent day, he earns an income which is just double of that made on the previous day. One the 10th day of business, his income is

1. Rs. 28
2. Rs. 29
3. Rs. 210
4. 1012

A shepherd had 17 sheep. All but nine died. How many was he left with?

1. 7
2. 8
3. 9
4. 10

A bird shooter was asked how many birds he had in the bag. He replied that there were all sparrows but six, all pigeons but six, and all ducks but six. How many birds he had in the bag in all?

1. 7
2. 9
3. 11
4. 14

A printer numbers the pages of a book starting with 1 and uses 3189 digits in all. How many pages does the book have?

1. 1074
2. 1075
3. 1080
4. 1094

A is 3 years younger than C but one year older than D. D is one year older than B but 4 years younger than C. C is 15 years old. What is the age of B in years?

1. 9
2. 10
3. 11
4. 12

A player holds 13 cards of four suits, of which seven are black and six are red. There are twice as many diamonds as spades and twice as many hearts as diamonds. How many clubs does he told?

1. 3
2. 4
3. 5
4. 6

If you write down all the numbers from 1 to 100, then how many times do you write 3?

1. 10
2. 11
3. 18
4. 20

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

1. 70 years
2. 71 years
3. 72 years
4. 74 years

In a group of cows and hens, the number of legs are 14 more than twice the number of heads. The number of cow is

1. 5
2. 7
3. 9
4. 2

A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 pieces. He cut at the rate of 45 cuts in a minute. How many rolls would be cut in 24 minutes?

1. 120 rolls
2. 108 rolls
3. 54 rolls
4. 32 rolls

A is 3 years older to B and 3 years younger to C, while B and D are twins. How many years older is C to D?

1. 2
2. 3
3. 5
4. 6

In a class of 60 students, the number of boys and girls participating in the annual sports is in the ratio 3:2 respectively. The number of girls not participating in the sports is 5 more than the number of boys not participating in the sports. If the number of boys participating in the sports is 15, then how many girls are there in the class?

1. 20
2. 25
3. 30
4. 35

Five children take part in a tournament. Each one has to play every other one. How many games must they play?

1. 6
2. 8
3. 10
4. 12

12 years old Manick is three times as old as his brother Rahul. How old will Manick be when he is twice as old as Rahul?

1. 12 years
2. 14 years
3. 16 years
4. 18 years

At the end of a business conference the ten people present all shake hands with each other once. How many handshakes will there be altogether?

1. 25
2. 35
3. 45
4. 55

A placed three sheets with two carbons to get two extra copies of the original. Then he decided to get more carbon copies and folded the paper in such a way that the upper half of the sheets were on top of the lower half. Then he typed. How many carbon copies did he get?

1. 1
2. 2
3. 3
4. 4

A monkey climbs 30 feet at the beginning of each hour and rests for a while when he slips back 20 feet before he again starts climbing in the beginning of the next hour. If he begins his ascent at 8.00 a.m. what time will he first touch a flag at 120 feet from the ground?

1. 3 p.m.
2. 4 p.m.
3. 5 p.m.
4. 6 p.m.

What is the product of all the numbers in the dial of a telephone?

1. 1,58,480
2. 1,59,450
3. 1,59,480
4. None of these

Five bells begin to toll together and too respectively at intervals of 6, 5, 7, 10 and 12 seconds. How many times will they toll together in one hour excluding the one at the start?

1. 6 times
2. 7 times
3. 8 times
4. 11 times

Reena is twice as old as Sunita. Three years ago, she was three times as old as Sunita. How old is Reena now?

1. 7 years
2. 9 years
3. 12 years
4. 15 years

In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts in all 60 questions and secures 130 marks, the number of questions he attempts correctly, is

1. 32
2. 35
3. 38
4. 42

In a garden, there are 10 rows and 12 columns of mango trees. The distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the two garden. The length of the garden is

1. 20 m
2. 21 m
3. 22 m
4. 24 m