Q.2917·Miscellaneous·2023·EasyAbout three-fourths of world's cobalt, a metal required for the manufacture of batteries for electric motor vehicles, is produced byView question
Q.2918·Miscellaneous·2023·EasyIlmenite and rutile, abundantly available in certain coastal tracts of India, are rich sources of which one of the following?View question
Q.2919·Miscellaneous·2023·EasyWhich one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?View question
Q.2920·Miscellaneous·2023·EasyConsider the following statements : 1. India has more arable area than China. 2. The proportion of irrigated area is more in India as compared to China. 3. The average productivity per hectare in Indian agriculture is higher than that in China. How many of the above statements are correct?View question
Q.2921·Miscellaneous·2023·EasyThree numbers x, y, z are selected from the set of the first seven natural numbers such that x > 2y> 3z. How many such distinct triplets (x, y, z) are possible?View question
Q.2922·Miscellaneous·2023·EasyConsider the following statements: Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-II: Carbon dioxide and other greenhouse gases in the atmosphere are good absorbers of long wave radiation. Which one of the following is correct in respect of the above statements?View question
Q.2923·Miscellaneous·2023·EasyHow many consecutive zeros are there at the end of the integer obtained in the product 1^2 * 2^4 * 3^6 * 4^8 *....*25^50 ?View question
Q.2924·Miscellaneous·2022·EasyTwo digits out of 1, 2, 3, 4, 5 are chosen at random and multiplied together. What is the probability that the last digit in the product appears as 0 ?View question
Q.2925·Miscellaneous·2022·EasyThe total frequency is 120. The mean is 50. What is the value of p ?View question
Q.2926·Miscellaneous·2022·EasyConsider the following grouped frequency distribution: What is the median of the distribution?View question
Q.2927·Miscellaneous·2022·EasyConsider the following grouped frequency distribution: What is mean deviation about the median?View question
Q.2928·Miscellaneous·2022·EasyConsider the following grouped frequency distribution: What is the mean deviation about the mean?View question
Q.2929·Miscellaneous·2022·EasyIf the point (x, y) is equidistant from the points (2a, 0) and (0, 3a) where a > 0, then which one of the following is correct?View question
Q.2930·Miscellaneous·2022·EasyIf the algebraic sum of the deviations of the same set of values measured from y is 180, then what is the value of y?View question
Q.2931·Miscellaneous·2022·EasyThe plane 6x + ky + 3z − 12 = 0 (where k ≠ 0) meets the coordinate axes at A, B and C respectively. The equation of the sphere passing through the origin and A, B, C is: x² + y² + z² + 2x − 3y − 4z = 0 If p is the perpendicular distance from the centre of the sphere to the plane, then which one of the following is correct?View question
Q.2932·Miscellaneous·2022·EasyThe plane 6x + ky + 3z − 12 = 0 (where k ≠ 0) meets the coordinate axes at A, B and C respectively. The equation of the sphere passing through the origin and A, B, C is: x² + y² + z² + 2x − 3y − 4z = 0 What is the equation of the line through the origin and the centre of the sphere?View question
Q.2933·Miscellaneous·2022·EasyWhat are the direction ratios of a normal to the plane 2x + 3y + z = r, if it passes through the point (2, 3, -6)?View question
Q.2934·Miscellaneous·2022·EasyIf one of the diameters of the circle x^2 + y^2 - 4x + 6y = 12 is a chord of another circle having the centre at the origin and radius 3, then what is the length of this chord?View question