4116: Examine the following relationships among members of a family of six persons A, B, C, D, E and F.
I. The number of males equals that of females.
II. A and E are sons of F.
III. D is the mother of two, one boy and one girl.
IV. B is the son of A.
V. There is only one married couple in the family at present.
Which one of the following inferences can be drawn from the above ?
(a) A, B and C are all females
(b) A is the husband of D
(c) E and F are children of D
(d) D is the grand-daughter of F
4117: Consider the following statements:
1. Petroleum and Natural Gas Regulatory Board (PNGRB) is the first regulatory body set up by the Government of India.
2. One of the tasks of PNGRB is to ensure competitive markets for gas.
3. Appeals against the decisions of PNGRB go before the Appellate Tribunals for Electricity.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4118: The four railway junctions shown by numerals 1, 2, 3, 4 on the rough outline map of Gujarat are respectively
(a) Palanpur, Mahesana, Ahmedabad and Vadodara
(b) Mahesana, Surendranagar, Rajkot and Junagarh
(c) Palanpur, Kanda, Bhuj and Okla
(d) Ahmedabad, Vadodara, Bhavnagar and Broach
4119: Why are dewdrops not formed on a cloudy night?
(a) Clouds absorb the radiation released from the Earths surface.
(b) Clouds reflect back the Earths radiation.
(c) The Earths surface would have low temperature on cloudy nights.
(d) Clouds deflect the blowing wind to ground level.
4120: With reference to Indian satellites and their launchers, consider the following statements:
1. All the INSAT-series of satellites were launched abroad
2. PSLVs were used to launch IRS-series of satellites
3. India used the indigenously built cryogenic engines for the first time for powering the third stage of GSLV
4. GSAT, launched in the year 2001, has payloads to demonstrate digital broadcasts and internet services
Which of these statements are correct?
(a) 1, 2, 3 and 4
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1 and 3