Q1) What is the minimum number of square marble slabs requires to tile a floor of length 5 meters 78 cm and width 3 meters 74 cm. 1) 176 2) 187 3) 540 4) 748 Q2) 85% of 260  63% of 200 + y = 285 1) 94 2) 158 3) 190 4) 72 Q3) Jack spends 20% more than Amy. Then Amy spends 1) 20% less than Jack 2) 16.67% less than Jack 3) 25% less than Jack 4) 9.09% less than Jack Q4) If you have 7 books, in how many ways can you select 5 books and arrange them on a shelf. 1) C(7,5) 2) P(7,5) 3) 5! 4) 7! Q5) How many fourdigit area codes are possible with the following restrictions a) Neither 0 or 2 could be used for the first digit. b) 0 or 2 have to be used for the third digit. c) There is no restriction on second and fourth digit. 1) 896 2) 1600 3) 1260 4) 1000 Q6) Four couples go on a movie date. In how many ways can they be seated in a row of 8 seats so that each ouple is seated together? 1) 8! 2) (2!)^{4} 3) 4!.(2!)^{4} 4) 4! Q7) Two trains starts at the same time from Delhi to Pune at a speed of 80 Km/hr and from Pune to Delhi at a speed of 70 Km/hr on a parallel track. When the two trains cross each other, then it is found that the faster train has travelled 120 Km more then the slower train. Find the distance between Delhi and Pune. 1) 960 Km 2) 840 Km 3) 1920 Km 4) 1600 Km Q8) Average expenditure of A, B, C, D is Rs 41, that of A, D is Rs 36, that of B, C is Rs 46, that of A, B, C is Rs 41, find the expenditure of D. 1) Rs 41 2) Rs 43 3) Rs 42 4) Rs 39 Q9) 'A' can do a piece of work in 8 days, 'B' in 10 days and 'C' in 12 days. In how many days can 'A','B' and 'C' finish the work, working together? 1) 24/7 Days 2) 240/37 Days 3) 54/17 Days 4) 120/37 Days Q10) Curved Surface Area of a cylinder is 2/3rd of its total surface area. Then which of the following holds true? 1) r = 2h 2) h = 2r 3) h = 3r 4) r = 4h 1) 2 2) 3 3) 2 4) 2 5) 2 6) 3 7) 4 8) 1 9) 4 10) 2
1) Total number of slabs required = (Area of the floor)/(Area of a slab)
