Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 12/35 35/8 1/35 7/32 12/35 35/8 1/35 7/32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2527 2517 2607 2506 2527 2517 2607 2506 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
Number System 74698 + 365 + 85213 + 95 = ? 160351 160341 160361 160371 160351 160341 160361 160371 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 74698 + 365 + 85213 + 95 = 160371
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 5 15 7.5 4 5 15 7.5 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 621.68 631.68 651.68 641.68 621.68 631.68 651.68 641.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 9 11 8 10 9 11 8 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
EXAMIANS