Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 5243 2345 2435 2105 5243 2345 2435 2105 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System A number when divided by 221 gives a remainder 43, what remainder will be obtained by dividing the same number 17? 11 10 5 9 11 10 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 221 + 43 = 264/17 = 9 (Remainder)
Number System √2304 x √? = 2832 3381 3481 3681 3581 3381 3481 3681 3581 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 46 44 45 47 46 44 45 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 180 12 28 160 180 12 28 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 72 44 56 38 72 44 56 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
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