Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 36 24 21 27 36 24 21 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 444 333 555 666 444 333 555 666 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 9 7 8 10 9 7 8 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System 96% of a number is 19584. What is 56% of that number ? 11224 11324 11524 11424 11224 11324 11524 11424 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424
Number System 65 x 288 ÷ 52 = 1.8 x ? 200 190 180 210 200 190 180 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System 3√103820 x 3√274620 = ? 3055 3035 3065 3045 3055 3035 3065 3045 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
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