Question
Ramesh bought 900 marbles from a shop out of which 25%
marbles were broken. 40% of non broken marbles are of red colour. Calculate total number of red colour marbles with Ramesh.Solution
Total number of non broken marbles: 75% of 900 Total number of red coloured marbles: 40% of 75% of 900  0.4 × 0.75 × 900 = 270
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The main circuit board of the system unit is theÂ
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(a) CPU
(b) PROM
(c) DRAM
(d) PCB
1. Central Processing Unit
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