Number System 732.96 + 405.38 - 604.08 - 105.44 + 222.86 = ? 651.68 631.68 621.68 641.68 651.68 631.68 621.68 641.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1361.20 - 709.52 = 651.68
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? 32 27 None of these 8 32 27 None of these 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
Number System What is the sum of all the prime numbers from 20 to 40? 118 117 119 120 118 117 119 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 140 240 160 180 140 240 160 180 ANSWER DOWNLOAD EXAMIANS APP
Number System The square root of 0.0081 is: 0.009 0.09 0.91 0.9 0.009 0.09 0.91 0.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 2326400 3326400 None of these 1326400 2326400 3326400 None of these 1326400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
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