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Which one of the following is the correct statement? admin016 years 11 months ago
α-D-(+)-glucose and β-D-(+)-glucose are admin016 years 11 months ago
Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide or admin016 years 11 months ago
Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being admin016 years 11 months ago
Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives admin016 years 11 months ago
Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised a admin016 years 11 months ago
Five horses are in a race. Mr. A selects two of the horses at random and bets on them. The probability that Mr. A selected the w admin016 years 11 months ago
Locus of centroid of the triangle whose vertices are (a cos t, a sin t), (b sin t, - b cos t) and (1, 0), where t is a parameter admin016 years 11 months ago
The degree and order of the differential equation of the family of all parabolas whose axis is x-axis, are respectively admin016 years 11 months ago
The area of the region bounded by the curves y = |x - 1| and y = 3 - |x| is admin016 years 11 months ago
The real number x when added to its inverse gives the minimum value of the sum at x equal to admin016 years 11 months ago
If x1, x2, x3 and y1, y2, y3 are both in G.P. with the same common ratio, then the points (x1, y1) (x2, y2) and (x3, y3) admin016 years 11 months ago
Let f (x) be a polynomial function of second degree. If f (1) = f (- 1) and a, b, c are in A. P., then f' (a), f' (b) and f' (c) admin016 years 11 months ago
The number of ways in which 6 men and 5 women can dine at a round table if no two women are to sit together is given by admin016 years 11 months ago
A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questio admin016 years 11 months ago
If the sum of the roots of the quadratic equation ax2 + bx + c = 0 is equal to the sum of the squares of their reciprocals, then admin016 years 11 months ago
If the system of linear equations.... admin016 years 11 months ago
A dice is thrown. Let A be the event that the number obtained is greater than 3. Let B be the event that the number obtained admin016 years 11 months ago
The area of the plane region bounded by the curves x + 2y2 = 0 and x + 3y2 = 1 is equal to (y2 = y square) admin016 years 11 months ago
The value of cot(cosec-1 5/3 + tan-1 2/3) is admin016 years 11 months ago
How many real solutions does the equation x7 + 14x5 + 16x3 + 30x – 560 = 0 have? admin016 years 11 months ago
The first two terms of a geometric progression add up to 12. The sum of the third and the fourth terms is 48. If the terms of th admin016 years 11 months ago
Let A be a 2 × 2 matrix with real entries. Let I be the 2 × 2 identity matrix. Denote by tr (A), the sum of diagonal entries of admin016 years 11 months ago
The line passing through the points (5, 1, a) and (3, b, 1) crosses the yz−plane at the point (0, 17/2, -13/2) Then admin016 years 11 months ago
The mean of the numbers a, b, 8, 5, 10 is 6 and the variance is 6.80. Then which one of the following gives possible values of a admin016 years 11 months ago

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