in figure segment ab is parallel to CD is parallel to EF find AE
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in figure segment ab is parallel to CD is parallel to EF find AE
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How much of the high-grade coal priced at INR 600/kg should be mixed to 200 kg of ordinary coal, priced at INR
450/kg, so as to make a profit of 11%, selling the mixture at INR 550/kg?
85 kg
250 kg
175 kg
100 kgThe essential difference between an AC generator and a DC generator is that
(a) AC generator has an electromagnet while a DC generator has
permanent magnet.
(b) DC generator will generate a higher voltage.
(c) AC generator will generate a higher voltage.
(d) AC generator has slip rings while the DC generator has a commutator.
How much of the high-grade coal priced at INR 600/kg should be mixed to 200 kg of ordinary coal, priced at INR
450/kg, so as to make a profit of 11%, selling the mixture at INR 550/kg?
85 kg
250 kg
175 kg
100 kg