Simplification – Aptitude MCQ Questions – 08 Posted on July 10, 2020July 10, 2020 by admin Question 1The value of (a+b)/2(a2−b2)is=? A. ab/a+b B. 2ab/a−b C. a+b/a−b D. None of these Question 2 If a/b+c = b/c+a = c/a+b = k, then find the value of k is A. -1/2 B. 1 C. -1 D. 1/2 Question 3a2−b2−2bc−c2/a2+b2+2ab−c2 is equivalent to = ? A. a−b+c/a+b+c B. a−b−c/a−b+c C. a−b−c/a+b−c D. a+b+c/a−b+c Question 4(71 × 29 + 27 × 15 + 8 × 4) equals = ? A. 3450 B. 3458 C. 2496 D. None of these Question 5 If a + b + c = 0, find the value of a2/(a2−bc)+b2/(b2−ca)+c2/(c2−ab)=? A. 0 B. 1 C. 2 D. 4 Question 6The number, whose square is equal to the difference of the squares of 75.15 and 60.12, is = ? A. 46.09 B. 48.09 C. 45.09 D. 47.09 Question 7If a + b + c = 2s, then the value of (s - a)2 + (s - b)2 + (s - c)2 + s2 will be- A. s2 - a2 - b2 - c2 B. s2 + a2 + b2 + c2 C. a2 + b2 + c2 D. 4s2 - a2 - b2 - c2 Question 832 shirt pieces of 120cm each can be cut from a reel of cloth. After cutting these pieces 80 cm of cloth remains. What is the length of reel of cloth in meters? A. 38.70 meters B. 39.20 meters C. 3870 meters D. 3920 meters Question 9The value of (0.98)3 + (0.02)3 + 3 × 0.98 × 0.02 - 1 = ? A. 1.98 B. 1.09 C. 1 D. 0 Question 10If x/(2x+y+z) = y/(x+2y+z) = z/(x+y+2z)=a, then find a, If x + y + z ≠ 0 A. 1/3 B. 1/4 C. 1/2 D. 1/8