Number System √207.36 = ? 16.7 12.3 15.7 14.4 16.7 12.3 15.7 14.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 8 10 9 7 8 10 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 650 750 550 850 650 750 550 850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 45 42.6 42.1 54.7 45 42.6 42.1 54.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 3 1 2 4 3 1 2 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System [(18.6 x 4.5) + (7.8 ÷ 0.24)] ÷ 3.2 = ? 46.3125 36.3125 26.3125 25.3125 46.3125 36.3125 26.3125 25.3125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 83.7 + 32.5/3.2 = 116.2/3.2 = 36.3125
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