Number System If one-seventh of a number is 55 then 40% of that number = ? 147 171 154 163 147 171 154 163 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.684 8.484 8.784 8.584 8.684 8.484 8.784 8.584 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System √2304 x √? = 2832 3481 3381 3681 3581 3481 3381 3681 3581 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 245 141 162 188 245 141 162 188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 Cannot be determined 30 24 20 Cannot be determined 30 24 ANSWER DOWNLOAD EXAMIANS APP
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 65, 15 62, 18 64, 16 60, 20 65, 15 62, 18 64, 16 60, 20 ANSWER DOWNLOAD EXAMIANS APP
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