4511: Consider the following statements :
1. The series of the International Paper Sizes is based on A0 size Whose area is 0.5 cm2 (approximately).
2. The area of A4 size paper is 1/8th of that of the A0 size paper.
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
4512: For reproducing sound, a CD (Compact Disc) audio player uses a
(a) quartz crystal
(b) titanium needle
(c) laser beam
(d) barium titanate ceramic
4513: The average salary of 100 employees in an office is Rs. 16,000 per month. The management decided to raise salary of every employee by 5% but stopped a transport allowance of Rs. 800 per month which was paid earlier to every employee. What will be the new average monthly salary ?
(A) Rs. 16,500
(B) Rs.16,000
(C) Rs. 16,800
(D) Cannot be known since data are insufficient
4514: Gypsum is added to the soil?
(a) To increase the alkalinity
(b) To decrease the acidity
(c) To decrease the alkalinity
(d) As an insecticide
4515: Which one among the following countries has the lowest GDP per capita?
(a) China
(b) India
(c) Indonesia
(d) Sri Lanka