Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 640 720 510 860 640 720 510 860 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 64, 16 65, 15 60, 20 62, 18 64, 16 65, 15 60, 20 62, 18 ANSWER DOWNLOAD EXAMIANS APP
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 210 148 248 126 210 148 248 126 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 24 Cannot be determined 30 20 24 Cannot be determined 30 20 ANSWER DOWNLOAD EXAMIANS APP
Number System 666 / 6 / 3 = ? 111 84 37 333 111 84 37 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 666 * 1/6 * 1/3 = 37
Number System 735 chocolates were distributed equally among children in such a way that the number of chocolates received by each child is 60% of the total number of children. How many chocolates did each child rec 16 18 14 21 16 18 14 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number of children be 'x' Therefore, each child will receiveX x 60/100 = 3x/5 chocolates∴ X x 3x/5 = 735∴ x² x 735x5/3 = 1225∴ x = 1225 = 35∴ Number of chocolates = 3x/5 = 21
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