Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 5 9 2 6 5 9 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1082 1200 1192 1092 1082 1200 1192 1092 ANSWER DOWNLOAD EXAMIANS APP
Number System 1827÷ 36 x ?=162.4 3.2 1.9 2.6 4.3 3.2 1.9 2.6 4.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 18456 17453 19765 20160 18456 17453 19765 20160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 111 131 101 121 111 131 101 121 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 Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 353 373 363 343 353 373 363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
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