Number System What is the least number, which is perfect square but contains 2700 as its factor? 2700 5400 1800 10800 2700 5400 1800 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System 5525 ÷ 17 = √? 99225 112225 105625 93025 99225 112225 105625 93025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System If HKUJ means FISH, what does UVCD mean ? STAR STAB STAM STAK STAR STAB STAM STAK ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ? 37/52 32/51 34/55 31/58 37/52 32/51 34/55 31/58 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Probability of having no red ball is9C3 / 12C3 = 21/55Probability of having at least one red ball is 1 - 21/55 = 34/55
Number System 4500 * ? = 3375 2/5 3/4 1/4 3/5 2/5 3/4 1/4 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1180 1140 1120 1160 1180 1140 1120 1160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
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