3406: Consider the following international languages :
1. Arabic
2. French
3. Spanish
The correct sequence of the languages given above in the decreasing order of the number of their speakers is :
(a) 3-1-2
(b) 1-3-2
(c) 3-2-1
(d) 1-2-3
3407: What can be the impact of excessive / inappropriate use of nitrogenous fertilizers in agriculture?
1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
2. Increase in the acidity of soil can take place.
3. Leaching of nitrate to the ground-water can occur.
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
3408: Which reference to the Wholesale Price Index (WPI), consider the following statements:
1. The new WPI series with base 1993-94 = 100 became effective from April 1998
2. In the new WPI series, became effective from 1 April 2000. Statements 2 and 3 are correct
3. The weight for electricity has increased in the new WPI series
Which of these statements are correct ?
(a) 1, 2 and 3
(b) 2 and 3
(c) 1 and 3
(d) 1 and 2
3409: Half of the villagers of a certain village have their own houses. One-fifth of the villagers cultivate paddy. One-third of the villagers are literate. Four-fifth of the villagers are below twenty five. Then, which one of the following is certainly true?
(a) All the villagers who have their own houses are literate
(b) Some villagers under twenty five are literate
(c) A quarter of the villagers who have their own houses cultivate paddy
(d) Half of the villagers who cultivate paddy are literate
3410: In the series POQ, SRT, VUW, ? The blank space refers to
(a) XYZ
(b) XZY
(c) YXZ
(d) YZX