2721: In a survey, it was found that 80% of those surveyed owned a car while 60% of those surveyed owned a mobile phone. If 55% owned both a car and a mobile phone, what per cent of those surveyed owned a car or a mobile phone or both ?
(a) 65%
(b) 80%
(c) 85%
(d) 97.5%
2722: Consider the following statements :
1. The Richter scale is a logarithmic scale and so an increase of 1 magnitude unit represents a factor of 10 times in amplitude.
2. Each integer reading of the Richter scale has an energy 100 times that of the previous integer reading.
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
2723: Haemoglobin is dissolved in the plasma of
(a) frog
(b) fish
(c) man
(d) earthworm
2724: Which one of the following statement correctly describes the Fourth Schedule of the Constitution of India ?
(a) It lists the distribution of power between the Union and the States
(b) It contains the languages listed in the Constitution
(c) It contains the provisions regarding the administration of tribal areas
(d) It allocates seats in the Council of States
2725: Which reference to the government's welfare schemes, consider the following statements :
1. Under the Antyodaya Anna Yojana, the food grains are available to the poorest of the poor families at Rs 2 per kg for wheat and Rs. 3 per kg for rice
2. Under the National Old Age Pension Scheme, the old and destitute are provided Rs 75 per month as Central pension, in addition to the amount provided by most State Governments.
3. Government of India has allocated 25 kg food grains per Below Poverty Line family per month, at less than half the economic cost.
Which of these statements are correct ?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3