Maths Test-4

Ques-01
If the positions of the digits of a two-digit number are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio 2 : 5, what is the original number ?

 A. 52         B. 25          C. 36         D. 63


Ques-02

A man walks from A to B and back to A in a certain time at the rate of 5 1/2km an hour. If he had walked from A to B at the rate of 4 1/2 km an hour and back from B to A at the rate of 5 1/2 km an hour, he would have taken 80/33 minutes longer. Find the distance between A and B.

A. 0.83 km     B. 1 km     C. 1.5 km      D. 3 km Ques-03 The distance from Delhi to Agra in 280 km. A person travels in three phases—first 100 km at the rate of Rs 40 per kilometre, next 60 km at the rate of Rs 65 per kilometre, and the rest distance at the rate of Rs 75 per kilometre. How much money does he pay for the journey ? A. Rs 7885     B. Rs 20600     C. Rs 16900     D. Rs 8280 Ques-4 A side of a right-angle triangle is four times the second side. If third side, the hypotenuse of the triangle, is 272 cm, what would its area be ? A. 22 cm²     B. 18 cm²     C. 32 cm²     D. 20 cm² Ques-5 The populations of two towns A and B were in the ratio 3:4. After two years, the population of town A increased by 12% and that of town B decreased by 12%. If their total population after two years is 1072 lakhs, what was their total population originally ? A. 192825     B. 126250     C. 155655     D. 175000 Ques-06 20 apples were bought for a rupee. Approximately how many apples must be sold for a rupee to gain a profit of 30% ? A. 12     B. 10     C. 18     D. 15 Ques-7 What is the compound interest earned by Suresh on Rs 3600 ? I The amount is given for two years on interest. II The amount becomes eight times in three years. A. if I alone is sufficient to answer the question. B. if II alone is sufficient to answer the question. C. if both I & II are necessary to answer the question. D. if either I or II alone is sufficient to answer the question. Ques-8-12 The following graph show the number of laptops sold by HP and Dell Computer during a given period. Study it carefully and answer the questions given below. Ques-8 If the percentage drop in the number of laptops sold by Dell Computer from 2008 to 2009 continued for the year 2009 to 2010, how many less laptops would be sold in 2010. A. 312      B. 192     C. 185     D. 465 Ques-09 If (P + 1) is the per cent increase in the sales of laptops by HP from 2005 to 2006 and Q is the per cent increase in the sales of laptops by Dell Computer from 2006 to 2007, which of the following statements is true with respect to the relationship between P and Q ? A. P>Q     B. P = Q     C. P < Q      D. Data inadequate Ques-10 During which of the following given years have the sales of HP declined with respect to the previous year and by how much ? A. 2008,69%     B. 2003,18.62%    C. 2004,33.68%    D. 2003,18.6%     E. None of these Ques-11 During which of the given periods, the sales of Dell Computer registered the maximum increase/decrease ? A. (2004-2005), increase     B. (2005-2006), increase     C. (2003-2004), decrease     D. (2007-2008), decrease "Best Of Luck"