Choose the correct alternative from the following : - Assertion (A) : When common salt is kept open, it absorbs moisture from the air.
Reason (R) : Common salt contains magnesium chloride.

A. BOTH A AND R ARE TRUE AND R IS THE CORRECT EXPLANATION OF A.

  1. There are seven books one each on Psychology, Hindi, English, Sociology, Economics, Education and Accountancy, lying on a table one above the other.
  2. Sociology is on the top of all the books.
  3. Accountancy is immediately below Education which is immediately below Sociology.
  4. Economics is immediately above Psychology but not in the middle.
  5. Hindi is immediately below Psychology.
Which three books are between Accountancy and Hindi ?

A. ENGLISH, ECONOMICS AND PSYCHOLOGY

Find the values of k ε R subject to the following condition :
The sum of the roots of $3x^2 + kx - 2 = 0$ is 6.

B. - 18
Posted in:  Quadratic Equations -  Algebra -  Mathematics

(A). There are five friends.
(B). They are standing in a row facing South.
(C). Jayesh is to the immediate right of Alok.
(D). Pramod is between Bhagat and Subodh.
(E). Subodh is between Jayesh and Pramod. To find answer to the above two questions, which of the given statements can be dispensed with ?

B. A ONLY

Choose or find odd letter group - BCD, KMN, QRS, GHI, WXY

B. KMN