Number System 432+2170+35=? 729 523 494 678 729 523 494 678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 148 210 248 126 148 210 248 126 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 24 30 20 Cannot be determined 24 30 20 Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between a number and its three-fourth is 18, find the number. 72 68 61 57 72 68 61 57 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System √2304 x √? = 2832 3481 3681 3581 3381 3481 3681 3581 3381 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 ? 163 124 146 179 163 124 146 179 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
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