Q.5239·Miscellaneous·2020·EasyThe length of a rectangle is increased by 10% and breadth is decreased by 10%. Then the area of the new rectangle isView question
Q.5240·Miscellaneous·2020·EasyThe surface areas of two spheres are in the ratio 1 : 4. What is the ratio of their volumes?View question
Q.5241·Miscellaneous·2020·EasyWhich one of the following alternatives has the correct spelling?View question
Q.5242·Miscellaneous·2020·EasyThe length, breadth and height of a brick are 20 cm, 15 cm and 10 cm respectively. The number of bricks required to construct a wall with dimensions 45 m length, 0.15 m breadth and 3 m height isView question
Q.5243·Miscellaneous·2020·EasyFour circular coins of equal radius are placed with their centres coinciding with four vertices of a square. Each coin touches two other coins. If the uncovered area of the square is 42 cm², then what is the radius of each coin? (Assume π = 22/7)View question
Q.5244·Miscellaneous·2020·EasyIf p, q, r, s and t represent length, breadth, height, surface area and volume of a cuboid respectively, then what is 1/p + 1/q + 1/r equal to?View question
Q.5245·Miscellaneous·2020·EasyFifteen candidates appeared in an examination. The marks of the candidates who passed in the examination are 9, 6, 7, 8, 8, 9, 6, 5, 4 and 7. What is the median of marks of all the fifteen candidates?View question
Q.5246·Miscellaneous·2020·EasyIf the yield (in gm) of barley from 7 plots of size one square yard each, were found to be 180, 191, 175, 111, 154, 141 and 176, then what is the median yield?View question
Q.5247·Miscellaneous·2020·EasyWhich one of the following measures of central tendency will be used to determine the average size of the shoe sold in the shop?View question
Q.5248·Miscellaneous·2020·EasyWhen the class intervals have equal width, the height of a rectangle in a histogram representsView question
Q.5249·Miscellaneous·2020·EasyThe ages of 7 family members are 2, 5, 12, 18, 38, 40 and 60 years respectively. After 5 years a new member aged x years is added. If the mean age of the family now goes up by 1·5 years, then what is the value of x?View question
Q.5250·Miscellaneous·2020·EasyThe mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 kg and that of girls is 40 kg. The number of boys exceeds the number of girls byView question
Q.5251·Miscellaneous·2020·EasyWhat is the algebraic sum of the deviations from the mean of a set of values 25, 65, 73, 75, 83, 76, 17, 15, 7, 14?View question
Q.5252·Miscellaneous·2020·EasyThe mean of five observations x, x + 2, x + 4, x + 6, x + 8 is m. What is the mean of the first three observations?View question
Q.5254·Miscellaneous·2020·EasyThe harmonic mean and the geometric mean of two numbers are 10 and 12 respectively. What is their arithmetic mean?View question
Q.5255·Miscellaneous·2020·EasyA market, in which there are a large number of firms, homogeneous product, infinite elasticity of demand for an individual firm and no control over price by firms, is termed asView question
Q.5256·Miscellaneous·2020·EasyNormally, there will not be a shift in the demand curve whenView question