Number System (444 x 44 x 4) ÷ 40 ? 2153.6 1853.6 1953.6 2053.6 2153.6 1853.6 1953.6 2053.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
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 7.98 x 3.75 + 1.28 x 15.5 = ? 48.765 46.765 47.765 49.765 48.765 46.765 47.765 49.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 510 720 640 860 510 720 640 860 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 92 89 91 90 92 89 91 90 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 (95.6x 910.3) ÷ 92.56256 = 9? 12.24 15.54 14.44 13.34 12.24 15.54 14.44 13.34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
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