Number System 65% of 320+?=686 481 479 478 480 481 479 478 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System 2536+4851—?=3450+313 5243 6784 3624 4567 5243 6784 3624 4567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
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 ? 16 years 15 years 14 years 17 years 16 years 15 years 14 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 If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 121 131 111 101 121 131 111 101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System 384×12×2=? 7487 8465 6123 9216 7487 8465 6123 9216 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216