Number System If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? 3/4 1/9 7/5 2/7 3/4 1/9 7/5 2/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 5 15 7.5 4 5 15 7.5 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System On dividing number by 56, we get 29 as remainder. On dividing the same number by 8, what will be the remainder? 6 4 5 7 6 4 5 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the number and y be the quotient. Then, x = 357 * y + 39= (17 * 21 * y) + (17 * 2) + 5= 17 * (21y + 2) + 5.Required remainder = 5.
Number System The Twenty-First Century will start on January 1 in the year 2000 2100 2001 2101 2000 2100 2001 2101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System 5358 * 51 = ? 273258 273348 273268 273358 273258 273348 273268 273358 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ? Rs. 1,200 Rs. 600 Rs. 1,000 Rs. 800 Rs. 1,200 Rs. 600 Rs. 1,000 Rs. 800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP S.P. per metre = 8200/40 = Rs. 205∴ C.P. per metre = Rs. (205 - 25) = Rs. 180∴ C.P. of 40 metre cloth= Rs. (40 x 180) = Rs. 7200∴ Gain = Rs. (8200 - 7200) = Rs. 1000
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