Mathematics – Mixed Bag 3

5
1884
A salesman receives salary of Rs.4000 per month and 20% commission on total sales.  What is the amount of sales, if his total earnings in a month is Rs.8200?





How much longer seconds is required to drive 1 mile at 40 miles per hour than at 60 miles per hour?





A man  has to  cover  a  distance  of  52  km  in  8  hours. He could cover only half  the distance in three-fourth of the time.  At what speed should he cover the remaining journey so as to reach his destination in time?





A  trader  marks  his  goods  80  percent  more  than  the  cost  price,  but  he  allows  15 articles to a dozen. What is his profit percentage by doing so?





The calendar for the year 1978 is same as for the year





A 60 litres solution contains 50% milk and remaining water. How much water should be added so that the percentage of water becomes 75%?





First bag contain 4 green and 5 blue balls, second bag contains 5 green and 4 blue balls. One ball is drawn from each bag at random. Find the probability that both the balls are blue.





A pipe can fill a tank at the rate of 12 litres/hr.  In how much time can it fill 1/3 rd of a tank of capacity 720 liters?





Saad, Kevin and Mohneesh under take to complete a piece of work for Rs 2574. Saad works for 8 days, Kevin works for 9 days and Mohneesh works for 12 days to complete the work. If their daily wages in the ratio 3:5:4 respectively, how much is Mohneesh’s share?





The number of positive integers not greater than 100, which are divisible by 2 or 3, is-





Find the area of the iron sheet required to prepare a cone 24 cm high with base radius 7 cm





The average of 12 non - zero integers is zero.  If the average of the negative numbers among them is –5, find the average of the positive numbers among them.





Two persons start driving bike from the same point at the same time in the same direction at 80 km per hour and 120 km per hour respectively.  In how many hours will they be 600 km apart?





A clock was found to be 10 minutes slow at 5:00 am in the morning and 14 minutes fast at 5: 00 pm in the evening. When was the clock 4 minutes fast?





If a mobile has 5 digits password, then how many different passwords can be set so that it must be divisible by 4





How much percent more than the cost price should a shopkeeper mark his goods so that after allowing a discount of 25% on the marked price, he gains 20%?





An article is marked at Rs. 5,000. The shopkeeper allows successive discounts of x% , y%, 2% on it. The net selling price is-





A shopkeeper offers a discount of 10% on his articles. The marked price of the article is Rs. 450.The selling price should be-





The ratio of number of balls in bags x, y is 2 : 3. Five balls are taken from bag y and are dropped in bag x. Number of balls are equal in each bag now. Number of balls in each bag now is-





A positive integer when divided by 425 gives a remainder 45. When the same number is divided by 17, the remainder will be





〖(256)〗^(0.16 )  x 〖(256)〗^0.09=





A can do a piece of work in 6 days. B is 25% more efficient than A. How long would B alone take to finish this work?





A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?





Out of four numbers, the average of the first three is 15 and that of the last three, is 16. If the last number is 19, the first is





In  a  family  of  5  members,  the  average  age  at  present  is  33  years. The youngest member is  9  years  old.  The  average  age  of  the  family  just  before  the  birth  of  the youngest member was









5 COMMENTS

    • you forgot to include the base area  with the curved surface area.  
      Base area comes out to be 154 and on adding with 550, it comes out to be 704, 
      which is the answer.

  1. The answer to the question about number of balls in the bag seems wrong.
    It should be 25 after the transfer of 5 balls from Bag Y to Bag X

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