All the letters in the word ''AGAIN'' are permuted in every possible way and the words so formed (with or without meaning) are written in alphabetical order. Then, the 50th word will be (A) INAGA (B) IAANG (C) NAAGI (D) NAAIG
Directions: The following question consists of two sets of figures. Figures A, B, C and D constitute the problem set, while figures 1, 2, 3, 4 and 5 constitute the answer set. There is a definite relationship between figures A and B. Establish a similar relationship between figures C and D by selecting a suitable figure from the answer set that would replace the question mark (?).
Which of the following statements is not correct? (A) All hydrogen bonds in the secondary structure of proteins are intramolecular. (B) Right-handed -helix is more stable than left-handed -helix. (C) There are 3.6 amino acid residues per turn of the helix. (D) The hydrogen bonds in -helix are perpendicular to the axis of the helix.
A ball falls freely from a height and after striking the ground, rebounds to its initial height. Which of the following graphs shows the variation in its vertical velocity v with time t? (A) (B) (C) (D)
Two cars A and B are traveling in the same direction with velocities v1 and v2 (v1 > v2), respectively. When the car A is at a distance d behind the car B, the driver of the car A applies the brakes, producing uniform retardation, a. There will be no collision, when (A) (B) (C) (D) (E) None of these