Number System Find the number which multiplied by 15 is increased by 196. 14 20 26 28 14 20 26 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? 5 7 11 0 5 7 11 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39 + 20 = 59/13 = 7 (Remainder)
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 712 824 625 920 712 824 625 920 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 650 850 750 550 650 850 750 550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 60 80 None of these 40 60 80 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System If one third of 3/4 of a number is 21. Then find the number? 84 840 63 630 84 840 63 630 ANSWER DOWNLOAD EXAMIANS APP