Number System What is the least number that should be added to 5200 to make it a perfect square ? 129 275 225 288 129 275 225 288 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System (12.11)2 + (?)2 = 732.2921 24.2 20.2 14.2 17.2 24.2 20.2 14.2 17.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System [(18.6 x 4.5) + (7.8 ÷ 0.24)] ÷ 3.2 = ? 25.3125 36.3125 26.3125 46.3125 25.3125 36.3125 26.3125 46.3125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 83.7 + 32.5/3.2 = 116.2/3.2 = 36.3125
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 22 20 23 21 22 20 23 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System What least number shall be added to 4700 to make it a perfect square ? 71 91 81 61 71 91 81 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System (√6 + 1)² = ? + 2√6 6 8 7 5 6 8 7 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
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