4256: With reference to 'Near Field Communication (NFC) Technology', which of the following statements is/are correct?
1. It is a contactless communication technology that uses electromagnetic radio fields.
2. NFC is designed for use by devices which can be at a distance of even a metre from each other
3. NFC can use encryption when sending sensitive information.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 Only
(c) 1 and 3 only
(d) 1, 2 and 3
4257: A student has 60% chance of passing in English and 54% chance of passing in both English and Mathematics. What is the percentage probability that he will fail in Mathematics ?
(a) 12
(b) 36
(c) 4
(d) 10
4258: Which one of the following is a useful functional association between fungi and the roots of higher plants ?
(a) Biofertilizer
(b) Coralloid root
(c) Lichen
(d) Mycorrhiza
4259: Which one of the following authorities makes recommendation to the Governor of a State as to the principles for determining the taxes and duties which may be appropriated by the Panchayats in that particular State?
(a) District Planning Committees
(b) State Finance Commission
(c) Finance Ministry of that State
(d) Panchyati Raj Ministry of that State
4260: Which of the following is the correct sequence in the descending order of precedence in the warrant of precedence?
(a) Attorney General of India-Judges of the supreme Court - Members of Parliament-Deputy Chairman of Rajya Sabha
(b) Judges of the Supreme Court-Deputy Chairman of Rajya Sabha-Attorney General of India-Members of Parliament
(c) Attorney General of India-Deputy Chairman of Rajya Sabha-Judges of the Supreme Court-Members of Parliament
(d) Judges of the Supreme Court-Attorney General of India-Deputy Chairman of Rajya Sabha- Members of Parliament