L&T Company Numerical Ability Time and Work

The work done by a woman in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days, then in how many days can 12 men, 12 women and 12 boys together finish the same working 8 hours per day?

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L&T Other Question

The value of a machine depreciates from Rs 32,768 to Rs 21,952 in three years. What is the rate % of depreciation? At the start of a seminar, the ratio of the number of male participants to the number of female participants was 3:1. During the tea break, 16 participants left and 6 more female participants registered. The ratio of the male to the female participants became 2:1. The total number of participants at the start of the seminar was -

A) 64
B) 48
C) 54
D) Data Insufficient