Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 90 91 92 89 90 91 92 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 525 625 325 425 525 625 325 425 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 54 64 88 75 54 64 88 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System 16.23 x 12.9 + 17.32 = ? None of these 236.687 226.687 246.687 None of these 236.687 226.687 246.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2678 2520 2410 2367 2678 2520 2410 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 Find the least value of 3x + 4y if x2y3 = 6. 6 10 7 3 6 10 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
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