Number System (1024—263—233)÷(986—764— 156) =? 8 None of these 6 10 8 None of these 6 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System 84 * 29 + 365 = ? 2801 - 2071 - 2801 2436 2801 - 2071 - 2801 2436 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 126 210 148 248 126 210 148 248 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 275 245 295 225 275 245 295 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
Number System What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? 94 81 84 87 94 81 84 87 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 10, 15, 25 = 150When we drive 2641 by 150 the remainder is 91.But the remainder should be 7.So, the number to be subtracted from 2641 is 91 - 7 = 84.
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 260 60 120 180 260 60 120 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
EXAMIANS