Number System 384×12×2=? 7487 9216 6123 8465 7487 9216 6123 8465 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 + 1 N2 N(N + 1)/2 N(N + 1) N2 + 1 N2 N(N + 1)/2 N(N + 1) ANSWER DOWNLOAD EXAMIANS APP
Number System Radha's present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj's present age and Radha's present age is 4 : 9. What will be Raj's age after 5 years ? 14 years 16 years 15 years 17 years 14 years 16 years 15 years 17 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let Radha's present age = x years.∴ x = 2 (x = 12) - 3= x = 2x - 24 - 3= x = 27∴ Raja's present age = 4/9 x 27= 12 years ∴ Raja's age after 5 years = 12 + 5 = 17 years
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 78 75 76 77 78 75 76 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 30 120 None of these 55 30 120 None of these 55 ANSWER DOWNLOAD EXAMIANS APP
Number System On dividing a number by 68, we get 269 as quotient and 0 as remainder. On dividing the same number by 67, what will be the remainder? 2 1 3 0 2 1 3 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 269 * 68 + 0 = 1829267) 18292 (273 18291 -------- 1Required number = 1.