Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 36 42 23 16 36 42 23 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1082 1192 1092 1200 1082 1192 1092 1200 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word TEST' be arranged ? 16 12 8 10 16 12 8 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System 3√103823 = ? 47 41 44 52 47 41 44 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 24 84 21 42 24 84 21 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 30.52 29.81 28.56 27.54 30.52 29.81 28.56 27.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
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