Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 6 5 10 4 6 5 10 4 ANSWER DOWNLOAD EXAMIANS APP
Number System In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 42 46 24 26 42 46 24 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
Number System 7432 ÷ 32 x ? = 2787 41 78 21 12 41 78 21 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System 384×12×2=? 6123 8465 7487 9216 6123 8465 7487 9216 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? None of these 2675 2725 2875 None of these 2675 2725 2875 ANSWER DOWNLOAD EXAMIANS APP
Number System √9216 + √15376 = ? 220 227 224 231 220 227 224 231 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
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