1. A company produces an average of 4000 items per month for the first 3 months. How much items, it must produce on an average per month over the next 9 months to average 4375 items per month over the whole year ?
(a) 4500
(b) 4600
(c) 4680
(d) 4710
Questions on Average are always asked in SSC and CDS Exams. Here we are providing a few practice questions including the questions asked in various SSC and CDS Exams held recently.
1. A company produces an average of 4000 items per month for the first 3 months. How much items, it must produce on an average per month over the next 9 months to average 4375 items per month over the whole year ? (a) 4500 (b) 4600 (c) 4680 (d) 4710
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Trigonometry is one of the important topics in Mathematics Section of SSC, CDS, NDA and other competitive exams. Here, we have for you some important Trigonometry Questions to practice including questions from Previous Exams.
1. sin²50° + sin²40°  cos²0° = ? (SSC CGL Teir II Exam 2013) (a) 1 (b) 1 (c) 2 (d) 0 1. The perimeter of a rightangled triangle is 'k' times the shortest side. If the ratio of the other side to hypotenuse is 4 : 5, then what is the value of 'k' ? (CDS  I 2019)
(a) 5 (b) 3 (c) 2 (d) 4 2. What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ? (a) 814 (b) 820 (c) 840 (d) 844 1. In an examination, 40% of the candidates wrote their answers in Hindi and the others in English. The average marks of the candidates who wrote in Hindi is 74 and the average marks of the candidates who wrote in English is 77. What is the average marks of all the candidates ?
(CDS  II 2010) (a) 75.5 (b) 75.8 (c) 76.0 (d) 76.8 2. The average age of 100 workers in a factory is 36.5 years. The average age of the men is 45 years and that of the women is 28 years. The number of women working in the factory is (SSC CHSL Exam 2011) (a) 50 (b) 45 (c) 40 (d) 60 Mathematics  Simple and Compound Interest Questions for upcoming SSC, CDS, Bank, DSSSB, HSSC Exams19/3/2019 All the following questions are selected from previous years papers of SSC, CDS, CAT, Bank Exams to help aspirants understand the variety and difficulty level of questions asked on Simple and Compound Interest in various exams.
1. A man borrowed some money from a private organisation at 5% simple interest per annum. He lend this money to another person at 10% compounded interest per annum and made a profit of Rs. 26410 in 4 years. The man borrowed (SSC CGL Exam 31082016) (a) 200000 (b) 150000 (c) 132050 (d) 100000 Mathematics  Number System Important Questions for upcoming SSC, Bank, CDS, Railway Exams24/2/2019 1. A two digit number has 3 for its ten's digit and the sum of two digits is ¼ of the number itself. What is the number ?
(a) 32 (b) 38 (c) 36 (d) 34 2. In a two digit number, The product of the digits is 8. When 18 is added to the number, the digits are reversed. What is the number ? (a) 18 (b) 24 (c) 42 (d) 81 1. When rates of oranges were decreases by 20% then a man can buy 5 more oranges in Rs.10. What is the new cost of one orange ? (Chhattisgarh PSC Exam 2017)
(a) Rs. 0.20 (b) Rs. 0.40 (c) Rs. 0.60 (d) Rs. 0.80 2. A student took five papers in an examination, where the full marks were the same for each paper. His marks in these papers were in the proportion of 6 : 7 : 8 : 9 : 10. In all papers together, the candidate obtained 60% of the total marks. Then the number of papers in which he got more than 50% marks is (CAT 2001) (a) 1 (b) 3 (c) 4 (d) 5 1. The average age of a man and his son is 35 years. The ratio of their ages is 5 : 2 respectively. What is the son's age ?
(a) 50 years (b) 35 years (c) 15 years (d) 20 years (e) None of these 2. What is the least number to be added to 1500 to make it a perfect square ? (a) 21 (b) 35 (c) 43 (d) 59 (e) None of these 1. A train passes two bridges of lengths 800 m and 400 m in 100 seconds and 60 seconds respectively. The length of the train is (SSC CGL)
(a) 80 m (b) 90 m (c) 200 m (d) 150 m 2. A motor boat, whose speed is 15km/h in still water goes 30 km downstream and comes back in a total time of 4 h and 30 minutes. The speed of the stream is (CDS) (a) 4km/h (b) 5km/h (c) 6km/h (d) 10km/h 1. Three spherical balls of radii 1 cm, 2 cm, and 3 cm are method to form a single spherical ball. In the process, the loss of material is 25%. The radius of the new ball is :
(a) 6 cm (b) 5 cm (c) 3 cm (d) 2 cm 
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