• Placement Questions
• /
• Infosys
• /
• Logical Reasoning
• /
• Mathematical Reasoning

Infosys Logical Reasoning - Mathematical Reasoning Interview Questions with Answers

(#M40165250) INFOSYS QUESTION Keep an EYE

There is well of depth 30 m and frog is at bottom of the well. He jumps 3 m in one day and falls back 2 m in the same day. How many days will it take for the frog to come out of the well?

Asked In Infosys divyasree (1 year ago)

Unsolved Read Solution (19)

Is this Puzzle helpful?   (116)   (20) Submit Your Solution Mathematical Reasoning

(#M40164584) INFOSYS QUESTION The Recaman's sequence Keep an EYE

The following game is played on a rectangular chessboard of size 5*7 (i.e. there are 5 rows of squares each row containing 7 squares). Initially a number of coins are randomly placed on some of the squares, no square containing more than one coin. A complete move consists of moving every coin from the square containing it to another square subject to the following rules
i. every coin may be moved one square up or down, or left or right of the square it occupies to an adjacent square;
ii. if a particular coin is moved up or down as part of a complete move, then it must be moved left or right in the next complete move;
iii. if a particular coin is moved left or right as part of a complete move, then it must be moved up or down in the next complete move;
iv. at the end of each complete move, no square can contain two or more coins.

The game stops if it becomes impossible to make a complete move.

I. Show that if initially 25 coins are placed on the board, then the game must eventually stop.

II. Show that it is possible to place 24 coins on the board in such a way that the game could go on forever.

Asked In Infosys Ashok Prajapati (2 years ago)

Unsolved

Is this Puzzle helpful?   (54)   (33) Submit Your Solution Mathematical Reasoning

(#M40153415) INFOSYS QUESTION cubes Keep an EYE

we need to carve out 125 identical cubes from a cube . what is the minimum number of cuts needed?

Asked In Infosys siddhartha ganguly (3 years ago)

Unsolved Read Solution (12)

Is this Puzzle helpful?   (25)   (12) Submit Your Solution Mathematical Reasoning

(#M40153309) INFOSYS QUESTION comprehension Keep an EYE

Anita,chitra,snega,radha and sonia one of whose lastname is madhan were recently hired at a large shopping center.Each women sells only one kind of item.Read the following point and then answer the questions
a. Radha whose last name is not raghu, does not sell popcorn.
b. The David women does not sell candy or soda.
c.The five women are snega,radha,the satish woman,the calvin women and the women who sells icecream.
d. Anita's last name is neither Raghu nor calvin .Neither Anita nor calvin is the women who sells candy.
e. Neither the peanut vendor nor the ice cream vendor is named sonia or David.

1.Which of the following is the item sold by Anita?
a.icecream b.peanut c. soda d. candy

2.who sell popcorn?
a.anita b.radha c.snega d.sonia

3.who sell icecream?
a.anita b.chitra c.snega d.sonia

4.whoes last name is madhan ?
a.snega b.chitra c.sonia d.Radha

Asked In Infosys krishnaveni (3 years ago)

Unsolved Read Solution (16)

Is this Puzzle helpful?   (56)   (32) Submit Your Solution Mathematical Reasoning

(#M40153274) INFOSYS QUESTION Keep an EYE

A man has two ropes of varying thickness (Those two ropes are not identical, they aren’t the same density nor the same length nor the same width). Each rope burns in 60 minutes. He actually wants to measure 45 mins. How can he measure 45 mins using only these two ropes.
He can’t cut the one rope in half because the ropes are non-homogeneous and he can’t be sure how long it will burn.

Asked In Infosys neha gupta (3 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (23)   (11) Submit Your Solution Mathematical Reasoning

(#M40152999) INFOSYS QUESTION Keep an EYE

An intelligence agency decides on a code of 2 digits selected from 0, 1, 2, …, 9. But on the slip on which the code is hand written allows confusion between top and bottom, because there are indistinguishable. Thus, for example, the code 91 could be confused with 16. How many codes are there such that there is no possibility of any confusion?

Asked In Infosys Akash (3 years ago)

Unsolved Read Solution (5)

Is this Puzzle helpful?   (10)   (3) Submit Your Solution Mathematical Reasoning

(#M40152679) INFOSYS QUESTION Keep an EYE

Rajesh can finish 1/5 of his home work in one hour. Seema can finish 3/7 of
her homework in 90 minutes and Ramya can finish 3/4 of her homework in
three and a half hours. If all of them start their home work at 12.00 PM and can
go to play as soon as they all finish their homework. When can they start to
play, if they take a break at 3.30 PM for 30 minutes?

Asked In Infosys mohammad abdul razakh (3 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (18)   (6) Submit Your Solution Mathematical Reasoning

(#M40045686) INFOSYS QUESTION Keep an EYE

How many such letter-pairs are there in the word FRONTIER having same no. of letters left between them as they have in the series?

A)2
B)4
C)1
D)3

Asked In Infosys Dada Khalandar (4 years ago)

Unsolved Read Solution (6)

Is this Puzzle helpful?   (21)   (8) Submit Your Solution Mathematical Reasoning

(#M40039768) INFOSYS QUESTION Keep an EYE

A cube is divided into 729 identical cubelets. Each cut is made parallel to some surface of the cube . But before doing that the cube is coloured with green colour on one set of adjacent faces ,red on the other set of adjacent faces, blue on the third set. So, how many cubelets are there which are painted with exactly one colour?

Asked In Infosys Shilpi Shandilya (4 years ago)

Solved RAHUL UBHALE Read Solution (12)

Is this Puzzle helpful?   (58)   (21) Submit Your Solution Mathematical Reasoning

(#M40032514) INFOSYS QUESTION Keep an EYE

161?85?65?89=100
then use + or - in place of ? and take + as m,- as n then find value of m-n

options:
1)3
2)-1
3)1
4)-3

Asked In Infosys Varunraj Reddy (5 years ago)

Solved RAKESH Read Solution (23)

Is this Puzzle helpful?   (43)   (8) Submit Your Solution Mathematical Reasoning