986: P, Q, R, S and T reside in a 5-storeyed (Ground + 4) building, and each of them resides on a separate floor. Further,

1. T does not reside on the topmost floor.

2. Q does not reside on the ground floor.

3. S resides on one storey above that of P and one storey below that of R.

To know as to which of the 5 persons resides on the ground floor which of the above statements are sufficient/ insufficient?

(A) 1 and 3 are sufficient
(B) 2 and 3 are sufficient
(C) 1, 2 & 3 are insufficient
(D) 1, 2 and 3 are sufficient
987: Assertion (A):
In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group.

Reason (R):
In a group, the atomic radial generally increase from top to bottom.

(a) Both A and R are individually true and R is the correct explanation of A

(b) Both A and R are individually true but R is NOT the correct explanation of A

(c) A is true but R is false

(d) A is false but R is true
988: Consider the following statements:

1. There are no east flowing rivers in Kerala.

2. There are no west flowing rivers in Madhya Pradesh.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
989: With reference to the economic history of medieval India, the term 'Araghatta' refers to

(a) bonded labour
(b) land grants made to military officers
(c) waterwheel used in the irrigation of land
(d) wasteland converted to cultivated land
990: The crop which grows in alluvial soil and needs 150 cm rainfall is:

(a) Wheat

(b) Rice

(c) Groundnut

(d) Sugarcane