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TCS Aptitude Questions
1) In the class of 40 students, 30 speak Hindi and 20 speak English. What is the lowest possible number of students who speak both the languages?(a) 5 (b) 20 (c) 15 (d) 10 (e) 302) If A, B and C are the mechanisms used separately to reduce the wastage of fuel by 30%, 20% and 10%. What will be the fuel economy if they were used combined. 3) A can do a piece of work in 20 days, which B can do in 12 days....