Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 45 42.1 42.6 54.7 45 42.1 42.6 54.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 501.49 491.49 511.49 521.49 501.49 491.49 511.49 521.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System If a number is subtracted from its square we get 272. Find the number? 22 24 17 14 22 24 17 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System Simplify the 121 * 175 + 363 * 275 328100 None of these 316600 363000 328100 None of these 316600 363000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 58 56 54 60 58 56 54 60 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 9 2 5 6 9 2 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
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