Number System (√6 + 1)² = ? + 2√6 8 5 6 7 8 5 6 7 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
Number System The square root of 0.0081 is: 0.09 0.009 0.9 0.91 0.09 0.009 0.9 0.91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1200 1092 1082 1192 1200 1092 1082 1192 ANSWER DOWNLOAD EXAMIANS APP
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 3 11 5 9 3 11 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
Number System 65% of 320+?=686 481 479 480 478 481 479 480 478 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 90 120 60 160 90 120 60 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
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