Number System 2/11 of 3/7 of 8/13 of 12012 = ? 321 449 241 576 321 449 241 576 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System 1827÷ 36 x ?=162.4 3.2 2.6 1.9 4.3 3.2 2.6 1.9 4.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System The Twenty-First Century will start on January 1 in the year 2101 2001 2100 2000 2101 2001 2100 2000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 91 90 92 89 91 90 92 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 7878 4545 5656 3434 7878 4545 5656 3434 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System Sum of square of first number and cube of second number together is 568. Also square of the second number is 15 less than square of 8. What is the value of three-fifth of the first number ? 8 7 6 9 8 7 6 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the first number be x and the second number be y.∴ y² = 82 - 15 = 64 - 15 = 49∴ y = 7∴ x² + 73 = 568= x² + 343 = 568= x² + 568 - 343 = 225∴ x = √225 = 15∴ 15 x 3/5 = 9
EXAMIANS