616: A worker reaches his factory 3 minutes late if his speed from his house to the factory is 5 km/hr. If he walks at a speed of 6 km/hr, then he reaches the factory 7 minutes early. The distance of the factory from his house is
(a) 4 km
(b) 5 km
(c) 6 km
(d) 7 km
617: Invisible trade is a trade
(a) Of corporate and financial institutions with government
(b) Of government with public institutions
(c) Of government with other countries
(d) Of the services like the banks, marine companies and shipping companies
618: Mycorrhiza is a symbiotic association between
(a) Bacteria and roots of higher plants
(b) Algae and roofs of orchids
(c) Fungi and roots of higher plants
(d) Protozoa and roots of higher plants
619: Which one of the following brings out the publication called "Energy Statistics" from time to time?
(a) Central Power Research Institute
(b) Planning Commission
(c) Power Finance Corporation Ltd.
(d) Central Statistical Organization
620: Swaraj Party was established to:
(a) Share power in the Government
(b) Ask the British to leave India
(c) To enter the Councils and wreck the Government from within
(d) Ask the people to fight against the British