Number System 106 * 106 - 94 * 94 = ? 1906 2400 1904 2000 1906 2400 1904 2000 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 5 11 3 7 5 11 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
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
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 92 103 95 99 92 103 95 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 60 120 160 90 60 120 160 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 977 967 987 897 977 967 987 897 ANSWER DOWNLOAD EXAMIANS APP
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