Number System If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 7: 4 None 7: 11 4: 7 7: 4 None 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System What is the least number to be subtracted from 696 to make it a perfect square? 16 1 71 20 16 1 71 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 6, 9 10, 5 9, 6 7, 8 6, 9 10, 5 9, 6 7, 8 ANSWER DOWNLOAD EXAMIANS APP
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1087 1012 1032 1053 1087 1012 1032 1053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 824 625 920 712 824 625 920 712 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System 3√68921 = ? 21 51 31 41 21 51 31 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
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