Number System (164 x 175) x ? = 258300 11 2 9 5 11 2 9 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 None of these 60 80 40 None of these 60 80 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 the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 50 30 125 25 50 30 125 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System What is the sum of all the prime numbers from 20 to 40? 117 119 120 118 117 119 120 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 39 40 41 42 39 40 41 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 3 2 1 4 3 2 1 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
EXAMIANS