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Infosys Placement Papers with Solution Page 7

(#M40164840) INFOSYS QUESTION syllogism Keep an EYE

No A is B
Z is A
All Z are A
a) some B are Z
b)NO Z is A
c)None of these

Asked In Infosys Sangeetha Ishika (8 years ago)

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(#M40164828) INFOSYS QUESTION Keep an EYE

The right angled triangle PQR is to be constructed in the xy-plane, so that the right angle is at P and PR is parallel to the x-axis. The x and y coordinates of P,Q and R are to be integers that satisfy the inequality −4≤x≤5 & 6≤y≤16. How many different triangles with these properties could be constructed?
A. 1,100 B. 12,100 C. 10,000 D. 9,900

Asked In Infosys taasha (8 years ago)

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Is this Puzzle helpful?   (20)   (14) Submit Your Solution Co-ordinate geometry

(#M40164825) INFOSYS QUESTION Keep an EYE

A and B came back home after their exam and their father asked them about the test.
A replied-- 1/3rd of my answers were wrong
B replied-- 5 of my answers were wrong but together we got 3/4 of answers right.
How many questions were there for the exam?

Asked In Infosys Krithi (8 years ago)

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(#M40164722) INFOSYS QUESTION Keep an EYE

how many divisor including 1 but excluding 1000 are there for the number 1000?

Asked In Infosys ahana kundu (8 years ago)

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(#M40164674) INFOSYS QUESTION Rowdy Keep an EYE

The Lion jumps _____________ the river
a) upon
b)across
c)on
d)to

Asked In Infosys b.mohamed irsath (8 years ago)

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(#M40164657) INFOSYS QUESTION Percentages Keep an EYE

During the testing of drug the result were found to be 85% positive in the first phase of 100 tests and 55% positive of second phase.If the overall results were 75% positive.what was the total number of tests conducted in first phase and second phase?

Asked In Infosys Ranjitha Kulakdhaniya (8 years ago)

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(#M40164585) INFOSYS QUESTION Triangle problem Keep an EYE

If an equilateral triangle is partitioned into n convex polygons, determine the maximum number of edges present in the resulting figure. The diagram below shows a partitioning into 3 polygons with 8 edges (which is not necessarily the maximum) and 6 vertices.
You may find a result of Euler applicable to this problem. The result states that if a polygon is partitioned into n polygons, then v-e+n=1 where v is the number of vertices and e is the number of edges in the resulting figure.

Asked In Infosys Ashok Prajapati (8 years ago)

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(#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 (8 years ago)

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(#M40157642) INFOSYS QUESTION time and distance Keep an EYE

Three members A, B and C participated in a race. A is 36m ahead of B and 24m ahead of C. And B is 12m ahead of C. Find the length of the race track.

Asked In Infosys priyanka (9 years ago)

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(#M40157480) INFOSYS QUESTION Time and Work Keep an EYE

Q5) If A and B can do a piece of work in 7.5 days. If B works 1/2 of work and remaining work was completed by A, taking total time of 20 days to complete the work. If b is more efficient then B can do work in how many days?

Asked In Infosys Satya Chamana (9 years ago)

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Is this Puzzle helpful?   (101)   (56) Submit Your Solution Time and Work