256: Stainless steel contains which of the following?
(a) Aluminium and Zinc
(b) Chromium and Carbon
(c) Zinc and Mercury
(d) Copper and Cadmium
257: The following were famous scholars in ancient India:
I. Ashvaghosh
II. Nagarjuna
III. Vasumitra
IV. Buddhaghosa
Which of them was/were contemporary of Kanishka?
(a) I, II, III, IV
(b) I, III, IV
(c) I, II
(d) I, II, III
258: If A is the son of Q, Q and Y are sisters, Z is the mother of Y, P is the son of Z, then which of the following statements is correct?
(a) P is the maternal uncle of A
(b) P and Y are sisters
(c) A and P are cousins
(d) None of the above
259: With reference to Indian defence, which one of the following statements is not correct?
(a) With the induction of Prithvi II, the IAF is the only airforce in the world with surface-to-surface ballistic missiles under its command
(b) Sukhoi-30 MKI jet fighters can launch air-to-air and air-to-surface precision missiles
(c) Trishul is a supersonic surface to-air missile-vith a range of 30 km
(d) The indigenously built INS Prabal can launch surface-to-surface missiles
260: Two men A and B have different basic salaries but get equal emoluments. Their allowances are 65% and 80% of their basic salaries respectively. The ratio of their basic salaries is:
(a) 13 : 16
(b) 8 : 9
(c) 12 : 11
(d) 80 : 65