Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BED CAR BAT CAT BED CAR BAT CAT ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 180 160 28 12 180 160 28 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 15 4 7.5 5 15 4 7.5 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 2 5 6 9 2 5 6 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
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: 5 4 6 10 5 4 6 10 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 7 2 9 3 7 2 9 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
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