Simplification (Railway Maths) (651 to 700)Total Questions: 5041. Simplify: [RRB JE 01/06/2019 (Evening)]2 / (1 − √2)(a) −(2 + √2)(b) 2 + √2(c) −2(1 + √2)(d) 1 − 2√2Correct Answer: (c) −2(1 + √2)Solution:42. Find the greatest among these fractions. [RRB JE 01/06/2019 (Evening)]5/6, 6/11, 2/3, 8/9, 6/7(a) 2/3(b) 5/6(c) 8/9(d) 6/7Correct Answer: (c) 8/9Solution:5/6 = 0.833, 6/11 = 0.545, 2/3 = 0.666, 8/9 = 0.888, 6/7 = 0.857 So, 8/9 is greatest fraction43. Find the value of [RRB JE 02/06/2019 (Morning)]1 / (√2 + √3 − √5) + 1 / (√2 − √3 − √5)(a) 1(b) √2(c) 1/√2(d) 1/2Correct Answer: (c) 1/√2Solution:44. Simplify: [RRB JE 02/06/2019 (Morning) ](2/3) + (5/6) - (1/9) + (7/9)(a) 43/18(b) 17/9(c) 13/6(d) 35/18Correct Answer: (c) 13/6Solution:45. Answer the following question? [RRB JE 02/06/2019 (Morning) ](a)(b)(c)(d)Correct Answer: (c)Solution:46. Simplify: [RRB JE 02/06/2019 (Afternoon)]1035 ÷ [ 3/4 (71 + 65) − 15 3/4 ](a) 18(b) 12(c) 20(d) 24Correct Answer: (b) 12Solution:47. Which of the following is the greatest? [RRB JE 02/06/2019 (Afternoon)](a) 15/16(b) 24/25(c) 34/35(d) 19/20Correct Answer: (c) 34/35Solution:48. If 0.034 = x/10, find the value of 'x'. [RRB JE 02/06/2019 (Afternoon)](a) 340(b) 34(c) 0.34(d) 3.4Correct Answer: (c) 0.34Solution:0.034 = x / 10 ⇒ x = 0.3449. Find the smallest fraction. [RRB JE 02/06/2019 (Evening) ](a) 7/8(b) 15/19(c) 17/21(d) 13/16Correct Answer: (b) 15/19Solution:7/8 = 0.875, 15/19 = 0.789, 17/21 = 0.809, 13/16 = 0.812 Smallest fraction = 15/1950. Evaluate : [RRB JE 02/06/2019 (Evening) ](a) 3/4(b) 2√3(c) 4/3(d) 4 /√3Correct Answer: (c) 4/3Solution:Submit Quiz« Previous12345