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 In an equilateral triangle if the midpoints of all the sides are joined then we get four equilateral triangles of equal areas. Area of region TWRP = Area of three equilateral triangles = 6.25 ´ 3 = 18.75 Ans : D On substituting the appropriate values of m and n, m + n3 bears the least value. e.g. consider m = -1 and n = - 2, n - 5m = (- 2) - 5 (-1) = - 2 + 5 = 3 2n - m = 2 (- 2) - (-1) = - 4 + 1 = -3 n + m = (- 2) + (-1) = - 3 mn = (-1) ´ (- 2) = 2 m + n3 = (-1) + (-2)3 = - 1 - 8 = - 9 Ans : E Draw EF parallel to AB parallel to CD Ða = (1) + (2)   (1) = 50 (2) = 35 a = 50 + 35 = 85   Ans : A In one hour the machines working together produce 1350 screws. \ 1150 screws will be produced in seconds i. e. 0.851 or 3067 secs approx. Area of a trapezium = [Sum of parallel sides] ´ distance between them            = [2x + x] ´ h            =       ....(I) But 2h = 3x         h = substituting h in equation (I), we get            = .              = Ans : B Index Test 3 Section 1: Verbal Reasoning Section 2: Mathematical Reasoning Section 3: Verbal Reasoning Section 4: Mathematical Reasoning Section 5: Reading Comprehension Section 6: Mathematical Reasoning Section 7: Mathematical Reasoning Answer Key To Test 3 Answer Explanation To Test 3 Section 1: Verbal Reasoning Section 2: Mathematical Reasoning Section 3: Verbal Reasoning Section 4: Mathematical Reasoning Section 5: Reading Comprehension Section 6: Mathematical Reasoning Section 7: Mathematical Reasoning Test 4