Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 91 90 92 89 91 90 92 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System One-eighth of a number is 76. What will be 54% of the number ? 328.32 332.32 318.32 321.32 328.32 332.32 318.32 321.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608 = 608 x 54/100 = 328.32
Number System Simplify the 121 * 175 + 363 * 275 328100 316600 363000 None of these 328100 316600 363000 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System What is 50% of 40% of Rs. 3,450? 630 640 690 670 630 640 690 670 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.584 8.684 8.484 8.784 8.584 8.684 8.484 8.784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
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. 810 Rs. 820 Rs. 830 Rs. 800 Rs. 810 Rs. 820 Rs. 830 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
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