Number System √207.36 = ? 14.4 15.7 16.7 12.3 14.4 15.7 16.7 12.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
Number System ind the number, difference between number and its 3/5 is 50 120 124 123 125 120 124 123 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System √2304 x √? = 2832 3681 3381 3581 3481 3681 3381 3581 3481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 146 124 179 163 146 124 179 163 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System 8988 / 8 / 4 = ? 2247 4494 280.875 561.75 2247 4494 280.875 561.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 25 23 24 26 25 23 24 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
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