Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 52 48 56 36 52 48 56 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 977 987 967 897 977 987 967 ANSWER DOWNLOAD EXAMIANS APP
Number System 1827÷ 36 x ?=162.4 3.2 4.3 2.6 1.9 3.2 4.3 2.6 1.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System The square root of 0.0081 is: 0.9 0.009 0.09 0.91 0.9 0.009 0.09 0.91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 164 168 162 170 164 168 162 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 64? 90 100 110 None of these 90 100 110 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the greater and the smaller number be g and s respectively.gs = 2560g + s exceeds g - s by 64 i.e., g + s - (g - s) = 64i.e., 2s = 64 => s = 32.g = 2560/s = 80.
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