2636: Which of the following fertilisers leaves acidic residue?
(a) Ammonium phosphate
(b) Ammonium sulphate
(c) Urea
(d) Sulphate of potash
2637: Which one of the following rights was described by Dr B R Ambedkar as the heart and soul of the Constitution?
(a) Right to freedom of religion
(b) Right to property
(c) Right to equality
(d) Right to Constitutional remedies
2638: Which one of the following countries has more or less evolved a two-party system ?
(a) Sri Lanka
(b) Bangladesh
(c) Pakistan
(d) Myanmar
2639: 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
2640: If the product of two numbers is 320 and their ratio is 1 : 5, what is the difference between the squares of these two numbers ?
(a) 1024
(b) 1365
(c) 1536
(d) 1635