Simplification (Railway Maths) (351 to 400)Total Questions: 5041. Simplify. 1800 ÷ 10 × {45 ÷ (17 - 2)} × 2 + {-2 ( 1 + 2)} [RRB NTPC 09/01/2021 (Evening) ](a) 180(b) 1074(c) 114(d) 0Correct Answer: (b) 1074Solution:42. Simplify. 8.8 + .08 + 8.88 + .808 [RRB NTPC 10/01/2021 (Morning) ](a) 1.792(b) 2.656(c) 18.568(d) 185.68Correct Answer: (c) 18.568Solution:8.8 + .08 + 8.88 + .808 = 8.800 + 0.080 + 8.880 + 0.808 = 18.56843. Simplify. [RRB NTPC 10/01/2021 (Evening) ](0.3 ÷ 0.6 × 2/3) × 0.2 (0.2 × 2 ÷ 1/2 + 0.2)(a) 0.05(b) 1.5(c) 0.15(d) 0.02Correct Answer: (c) 0.15Solution:44. Simplify: [RRB NTPC 10/01/2021 (Evening) ]1/1.2.3 + 1/2.3.4 + 1/3.4.5 + 1/4.5.6(a) 7/30(b) 19/30(c) 2/60(d) 5/30Correct Answer: (a) 7/30Solution:45. Find the value of 1/4 + 1/ 4 × 5 + 1/ 4 × 5 × 6 (rounded upto 2 decimals) [RRB NTPC 11/01/2021 (Morning) ](a) 0.31(b) 0.21(c) 0.33(d) 0.38Correct Answer: (a) 0.31Solution:46. Simplify. 1.1 + 1.001 + 10.01 + 11.11 [RRB NTPC 11/01/2021 (Evening) ](a) 23.221(b) 23.14(c) 4.213(d) 3.124Correct Answer: (a) 23.221Solution:1.1 + 1.001 + 10.01 + 11.11 = 23.22147. Simplify the equation? [RRB NTPC 11/01/2021 (Evening) ](a) 37/999(b) 37/990(c) 37/1000(d) 37/100Correct Answer: (b) 37/990Solution:48. Simplify the equation? [RRB NTPC 11/01/2021 (Evening) ](a) -1/10(b) 5/6(c) 0(d) 1/10Correct Answer: (d) 1/10Solution:49. What is the value of the following expression? [RRB NTPC 12/01/2021 (Morning) ]394 × 394 + 2 × 394 × 106 + 106 × 106(a) 25000(b) 250000(c) 2500(d) 500Correct Answer: (b) 250000Solution:394 × 394 + 2 × 394 × 106 + 106 × 106 = (394 + 106)² = (500)² = 25000050. Simplify the question? [RRB NTPC 12/01/2021 (Morning) ](a)(b)(c)(d)Correct Answer: (a)Solution:Submit Quiz« Previous12345