Number System 2/11 of 3/7 of 8/13 of 12012 = ? 449 241 321 576 449 241 321 576 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 18 32 None 24 18 32 None 24 ANSWER DOWNLOAD EXAMIANS APP
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? 7 18 15 13 7 18 15 13 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 The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 289 1/289 289/290 290/289 289 1/289 289/290 290/289 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System 93296 - 45874 + 20382 - 56817 = ? 109857 109867 109887 109877 109857 109867 109887 109877 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 7, 8 6, 9 10, 5 9, 6 7, 8 6, 9 10, 5 9, 6 ANSWER DOWNLOAD EXAMIANS APP
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