Number System √2304 x √? = 2832 3481 3381 3581 3681 3481 3381 3581 3681 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 126 210 148 248 126 210 148 248 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System 106 * 106 - 94 * 94 = ? 2000 1906 1904 2400 2000 1906 1904 2400 ANSWER DOWNLOAD EXAMIANS APP
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 24 18 42 81 24 18 42 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 35 32 40 39 35 32 40 39 ANSWER DOWNLOAD EXAMIANS APP
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