Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 33 10 135 685 33 10 135 685 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 6 3.5 None of these 8 6 3.5 None of these 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 824 920 625 712 824 920 625 712 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 One-eighth of a number is 76. What will be 54% of the number ? 332.32 318.32 321.32 328.32 332.32 318.32 321.32 328.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608 = 608 x 54/100 = 328.32
Number System 384×12×2=? 7487 9216 6123 8465 7487 9216 6123 8465 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
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