Number System What is 432 times 119 ? 52408 50408 53408 51408 52408 50408 53408 51408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
Number System 8988 / 8 / 4 = ? 280.875 2247 561.75 4494 280.875 2247 561.75 4494 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.484 8.584 8.784 8.684 8.484 8.584 8.784 8.684 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System If a + b = 16 and ab = 68, what is the value of a² + b² ? 116 112 124 120 116 112 124 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a + b = 16 Therefore, (a+b)² = (16)² = 256 a² + b² + 2ab = 256Therefore, a² + b² = 256 - 2 x 68Therefore, a² + b² = 256 - 136 = 120
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 103 101 97 99 103 101 97 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System Find the greatest four digit number which leaves respective remainders of 2 and 5 when divided by 15 and 24. None of these 9565 9974 9125 None of these 9565 9974 9125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Since the difference between the divisors and the respective remainders is not constant, back substitution is the convenient method. None of the given numbers is satisfying the condition.
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