Number System 0.333 .... × 0.444 .... is equal to 0.148148148 .... 0.121212 .... 1.333 .... 0.777 .... 0.148148148 .... 0.121212 .... 1.333 .... 0.777 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System If a number is subtracted from its square we get 272. Find the number? 24 22 17 14 24 22 17 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
Number System √207.36 = ? 14.4 12.3 15.7 16.7 14.4 12.3 15.7 16.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √207.36 = √20736/√100 = 144/10 = 14.4
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? 27 32 None of these 8 27 32 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 In how many different ways can the letters of the word FORMULATE be arranged ? 362880 372880 392880 382880 362880 372880 392880 382880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System A man engaged a servant on the condition that he would pay him Rs.710 and a uniform after a year service. He served only for 8 months and got Rs.460 and a uniform. Find the price of the uniform? Rs.40 Rs.20 Rs.25 Rs.30 Rs.40 Rs.20 Rs.25 Rs.30 ANSWER DOWNLOAD EXAMIANS APP
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