Simplification

1. 42% of 450 + 20% of 385 – 15% of 320 = x A) 299 B) 261 C) 276 D) 223 E) 218 [expand title=”Answer & Explanation”]  Option E Solution:  189 + 77 – 48 =  218 [/expand]   2. 14 × 21 + 16 × 28 – 14 × 15 + 18 × 13 = x […]

1. 15 × 16 × (9/8)  × (4/7) ×  (3/13)  × (26/7) ×  49 = ? A)  6480 B)  6305 C) 6245 D)  6100 E)  6877 [expand title=”Answer & Explanation”]  Option A Solution: 6480 [/expand]   2. If  (x + 1) / x = 2 then  (x4 + 1 + 7×2) / x2[x3 +(1/x)3 ] =  ? A)  7/2

1. 286.04×11.646+65.37×54.08=?+137.989 A)  7000 B)  6750 C)  6800 D) 6700 E) 6680 [expand title=”Answer & Explanation”]   Option C Solution:  ?+137.989=286.04×11.646+65.37×54.08 286×12 + 65×54 3432+3510 = 6942 Or, ?+138 = 6942 ?=6942-138=6804 = 6800 [/expand]   2. 85943 – 71206 + 37517 – 3512 + 119 = ? A) 48870 B) 43780 C) 42680 D) 46590 E)

1. 45% of 220 + 65% of 520 – 15% of 920 = x A) 299 B) 261 C) 276 D) 223 E) 264 [expand title=”Answer & Explanation”]   Option A Solution:  99 + 338 – 138  [/expand]   2. 42 × 21 ÷ 6 + 623 + √2704 = x A) 764 B) 822 C) 752 D) 887

1. 36.02% of 449.98 – 14.95% of 180.07 = x – √280 % of 3699.99 A) 784 B) 740 C) 736 D) 796 E) 764 [expand title=”Answer & Explanation”]  Option E Solution:  36% of 450 = 162 15% of 180 = 27 17 % of 3700 = 629 [/expand]   2. 152 – 132 + 92 – 63 =

1. 22% of 350 + 35% of 420 = 16% of 250 + x A) 184 B) 144 C) 136 D) 196 E) 148 [expand title=”Answer & Explanation”] Option A  [/expand]   2. 1 1/4 + 2 4/5 + 3 5/8 + 2 3/10 = x A) 10 19/40 B) 9 17/30 C) 9 19/25