Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 373 363 343 353 373 363 343 353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 12/5 25/144 144/25 5/12 12/5 25/144 144/25 5/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 321 241 449 576 321 241 449 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System What is 50% of 40% of Rs. 3,450? 670 640 690 630 670 640 690 630 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 3 7 5 11 3 7 5 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 140 160 170 150 140 160 170 150 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
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