Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 11 8 10 9 11 8 10 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 2893 3892 6489 2883 2893 3892 6489 2883 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number. 50 75 25 12.5 50 75 25 12.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ x + y = 12 ...........(i)10x + y - (10x + x) = 18or 10x + y - 10y - x = 18or 9x - 9y = 18∴ x - y = 2From (i) and (ii), x = 7, y = 5∴ Number = 75
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 501.49 491.49 511.49 521.49 501.49 491.49 511.49 521.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.80 Rs.100 Rs.90 Rs.85 Rs.80 Rs.100 Rs.90 Rs.85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System √2304 x √? = 2832 3381 3481 3681 3581 3381 3481 3681 3581 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
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