Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 39 41 42 40 39 41 42 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 97 94 86 91 97 94 86 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System Find the least value of 3x + 4y if x2y3 = 6. 10 3 7 6 10 3 7 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 89 92 91 90 89 92 91 90 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 In how many different ways can the letters of the word 'FRUGAL'be arranged ? 720 515 660 556 720 515 660 556 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System 0.333 .... × 0.444 .... is equal to 0.777 .... 1.333 .... 0.148148148 .... 0.121212 .... 0.777 .... 1.333 .... 0.148148148 .... 0.121212 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....