SSC Government Jobs Exams Numerical Ability Time and Work

16 workers working 6 hours a day can build a wall of length 150 mts breadth 20 m and height 12 m in 25 days IN how many days 12 workers working 8 hours a day can build a wall of length 800m breadthy 15m and height 6m

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SSC Other Question

half of the 100 articles are sold at a profit of 20% and the rest at a profit of 40%.had all the articles been sold at a profit of 25%,the total profit would have been Rs 100 less.the cost price of each article is A goldsmith observes that one of his employee prepares a necklace in 9 hours, while another employee prepares it in 10 hours. if they work together they studd 10 gems less every hour and thus prepare a necklace in 5 hours, then the number of gems studded in each necklace is: a) 800 b) 900 c) 1200 d)1000