Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 12/5 5/12 25/144 144/25 12/5 5/12 25/144 144/25 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 Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 2 None 6 4 2 None 6 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System (444 x 44 x 4) ÷ 40 ? 2053.6 1853.6 1953.6 2153.6 2053.6 1853.6 1953.6 2153.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
Number System Which one of the following represents the sum of the first n even numbers? N2 N2+ 1 N(N – 1) N(N + 1) N2 N2+ 1 N(N – 1) N(N + 1) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
Number System ?125÷5x ?=6265 1452 124 1253 153 1452 124 1253 153 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System If HKUJ means FISH, what does UVCD mean ? STAM STAK STAR STAB STAM STAK STAR STAB ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
EXAMIANS