Number System Find the least value of 3x + 4y if x2y3 = 6. 10 6 7 3 10 6 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 13 11 15 9 13 11 15 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 13/25 6/7 3/5 12/25 13/25 6/7 3/5 12/25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 144/25 5/12 12/5 25/144 144/25 5/12 12/5 25/144 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System (800 / 64) * (1296 / 36) = ? 460 None of these 500 420 460 None of these 500 420 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System The Twenty-First Century will start on January 1 in the year 2101 2100 2000 2001 2101 2100 2000 2001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001