Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 64, 16 65, 15 60, 20 62, 18 64, 16 65, 15 60, 20 62, 18 ANSWER DOWNLOAD EXAMIANS APP
Number System √2304 x √? = 2832 3381 3581 3681 3481 3381 3581 3681 3481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System The Twenty-First Century will start on January 1 in the year 2100 2000 2101 2001 2100 2000 2101 2001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System The average of 7 numbers is 15, that of the first three is 6 and that of the last three is 23. What is the fourth number? 15 7 13 18 15 7 13 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4th No. = (Total of 7 Nos) - (Total of first three + total of last 3) = (15 x 7) - (6 x 3 + 23 x 3) = 105 - (18 + 69) =105 - 87 = 18
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 641.68 621.68 651.68 631.68 641.68 621.68 651.68 631.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System If one-seventh of a number is 55 then 40% of that number = ? 171 154 163 147 171 154 163 147 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
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