# Diya Systems (Mangalore) Interview Questions

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###### Let s(w) denote the set of all the letters in w where w is an English word. Let us denote set equality, subset and union relations by =, ⊂ and ∪ respectively. Which of the following is NOT true? A. s(ten) ⊂ s(twenty) B. s(stored) = s(sorted) C. s(sixty) ⊂ (s(six) ∪ s(twenty) D. None of thes
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###### Find the length of the diagonal of a cuboid 12m long, 9 m broad and 8 m high. A. 13.75 B. 14 C. 17 D. 23
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###### Which of the following number is divisible by 4 and 9? A. 2736 B. 2738 C. 2734 D. 2730
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###### Two matrices A and B are added if A. no of rows of A is equal to no of columns of B B. no of columns of A is equal to columns of B C. both have same order D. both are rectangular
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###### The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.3 A. 2011 B. 2010 C. 2009 D. 2008
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###### 12 kg of rice costing 30 per kg is mixed with 8 kg of rice costing 40 per kg. The average per kg price of mixed rice is A. 30 B. 32 C. 34 D. 36
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###### A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ? A. 6 min, to empty B. 6 min. to fill C. 9min. to empty D. 9 min. to fill
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