Number System 1089/? = ?/1296 1278 1348 1082 1188 1278 1348 1082 1188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 77 76 78 75 77 76 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ? 27 28 30 29 27 28 30 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive odd number be x, x + 2, x + 4 and x + 6 respectively.According to the question x + x + 2 + x + 4 + x + 6 = 104 = 4x + 12 = 104 = 4x = 104 - 12 = 92∴ x = 92/4 = 23∴ Required number = x + 4= 23 + 4 = 27
Number System 7.8% of 12.5 + 2.5% of 161 = ? 2 5 12 9 2 5 12 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 45 30 22 1/2 40 45 30 22 1/2 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 2 9 7 3 2 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
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