Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 76 77 78 75 76 77 78 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 373 363 353 343 373 363 353 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 26 23 24 25 26 23 24 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2520 2410 2678 2367 2520 2410 2678 2367 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System What should come in the place of question mark (?) in the number series given below? 158 159 157 160 158 159 157 160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System The number of prime factors of (6)10×(7)17×(55)27 91 101 61 41 91 101 61 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
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