## 23 JanH.C.F. and L.C.M.

1) The H.C.F. of $$\frac{9}{4},\frac{3}{20},\frac{9}{10} and \frac{15}{16}$$ is: A) $$\frac{3}{80}$$ B) $$\frac{3}{2}$$ C) $$\frac{1}{40}$$ D) $$\frac{45}{2}$$   2) The L.C.M. of $$\frac{2}{3},\frac{3}{20},\frac{9}{10} and \frac{15}{16}$$ is: A) $$\frac{3}{80}$$ B) $$\frac{3}{2}$$ C) $$\frac{1}{15}$$ D) $$\frac{45}{2}$$   3) The H.C.F. of 1.26, 1.155, 0.21 and 0.315 is: A) 0.05 B) 0.105 C) 1.05 D) 0.03...

## 23 JanProbability

1) $$x_{1}, x_{2}, x_{3},\dots x_{50}$$ are fifty real numbers such that $$x_{r}< x_{r+1}$$ for r = 1, 2, 3...

## 23 JanCoding and Artificial language (Aptitude test)

1) In a certain code ‘1 7 2 9’ means ‘in a programming language’, ‘7 9 3’ means ‘as a set’ and ‘2 3 4 5 6 7’ means ‘in the set as an element’. What is the code for ‘a’? A) 1 B) 7 C) 9 D) 3   2)...

## 23 JanNumber of Cubes (Aptitude Test)

All the faces of four equal cubes are painted with green color. Then each cube is cut into 64 small equal cubes.   1) How many small cubes will have 4 colored faces and two non-colored faces? A) 32 B) 64 C) 0 D) 12   2) How many small...

## 18 JanVenn Diagram

Study the following Venn diagram and answer the following questions:   1. How many teachers are both players and artists? A) 164  B) 99  C) 34  D) 133   2. How many artists are players, but not doctors? A) 3  B) 102  C) 136  D) 22   3. How many teachers are neither...

## 12 JanIndo–French Cooperation in Mathematics

Abstract. Links between mathematicians from India and France are old, strong and fruitful. We present a short survey of these relations. We start with a brief overview of the mathematical heritage of India. The stay of A Weil as a Professor in Aligarh Muslim University...

## 12 JanOn Finding the Next Term

Having given a few terms of a sequence, the question : What is the next term? is frequently asked in examinations. For example, the question may be to find the next term in the sequence 6, 12, 24, 48, ...

## 07 JanDiligimus cognition (We Love Knowledge)-6

Questions: 1.The February 2011 issue of the Science (Feb 16) and Nature (Feb 15) reported two separate but similar scientific development that was individually  achieved by two different working groups through two different approaches. The cover pages of the specific issues have been given.Give me the scientific...

## 05 JanAmazing World of Science Fiction

Imagination is more important than knowledge said Albert Einstein. Most of us are perhaps not aware of many worlds totally different from our own which exist in sub conscious minds of many imaginative people with prophetic vision whom we recognize as science fiction writers. Science...

## 28 DecBoundary Layer Theory : a Retrospection

2005 was celebrated throughout the world as the year of Physics, because in 1904, the theory of Relativity was postulated by Albert Einstein. By now much have been discussed and done on the theory of relativity, but comparatively less attention has been paid to a...