Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 678 689 692 652 678 689 692 652 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System What is the least number, which is perfect square but contains 2700 as its factor? 2700 5400 1800 10800 2700 5400 1800 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System What is the value of ? in the following equations ? 72/? = ?/50 60 100 80 40 60 100 80 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 9 15 11 13 9 15 11 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 75 67 65 61 75 67 65 61 ANSWER DOWNLOAD EXAMIANS APP
Number System The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ? 1327 1292 1468 1168 1327 1292 1468 1168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E + F + G/7 = 36Therefore, D = 36Therefore, C = 34, E = 38Therefore, Product = 34 x 38 = 1292
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