Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6993 693 6093 6893 6993 693 6093 6893 ANSWER DOWNLOAD EXAMIANS APP
Number System √360 - 225 x 2 + 379 = ? 19 17 20 18 19 17 20 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 160 90 60 120 160 90 60 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System (164 x 175) x ? = 258300 2 5 9 11 2 5 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
Number System If (74)² is added to the square of a number the answer so obtained is 7780. What is the number ? 49 47 50 48 49 47 50 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.or, x² + (74)² = 7780or, x² = 7780 - 5476 = 2304∴ x = 48
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 163 179 146 124 163 179 146 124 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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