Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 3 9 5 7 3 9 5 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 382 343 378 396 382 343 378 396 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System 16.23 x 12.9 + 17.32 = ? 246.687 226.687 236.687 None of these 246.687 226.687 236.687 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System The cost of 87 pens and 29 pencils is `783. What is the cost of 90 pens and 30 pencils ? Rs. 800 Rs. 830 Rs. 820 Rs. 810 Rs. 800 Rs. 830 Rs. 820 Rs. 810 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the price of a pen be 'x' and that of pencil be 'y' Then 87x + 29y = 783Multiplying eqn (i) by 30/29 we get (87x) x 30/29 + (29y) 30/29 = 783 x 30/29∴ 90x + 30y = 810
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 None of these 2725 2875 2675 None of these 2725 2875 ANSWER DOWNLOAD EXAMIANS APP
Number System If one third of 3/4 of a number is 21. Then find the number? 630 63 84 840 630 63 84 840 ANSWER DOWNLOAD EXAMIANS APP
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