2921: A man purchases two clocks A and B at a total cost of Rs. 650. He sells A with 20% profit and B at a loss of 25% and gets the same selling price for both the clocks. What are the purchasing prices of A and B respectively ?
(a) Rs. 225; Rs. 425
(b) Rs. 250; Rs. 400
(c) Rs. 275; Rs. 375
(d) Rs. 300; Rs. 350
2922: The planet Mercury is revolving in an elliptical orbit around the sun as shown in the given figure. The kinetic energy of mercury is greatest at the point labelled
(a) A
(b) B
(c) C
(d) D
2923: Which one of the following shows the correct sequence of occurrence of four towns/ cities as one proceeds from west to east?
(a) Ajmer, Darbhanga, Kohima, Silchar
(b) Surat, Wardha, Rourkela, Bharuch
(c) Pandharpur, Gulbarga, Kottagudam, Visakhapatnam
(d) Anand, Rajkot, Dhanbad, Aizawl
2924: In the context of Indian news in recent times, what is MCX-SX?
(a) A kind of supercomputer
(b) Stock exchange
(c) Title of Moon Impact Probe
(d) Nuclear-powered submarine
2925: Mixed economy means:
(a) Coexistence of small and large scale industries
(b) Coexistence of private and public sectors
(c) Promotion of agriculture as well as industries
(d) Coexistence of rich and poor