Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 168 170 164 162 168 170 164 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 120 60 160 90 120 60 160 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 6 10 5 4 6 10 5 4 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the difference between the local value of 7 and 5 in the number 2574? 570 403 430 413 570 403 430 413 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System How many numbers up to 100 and 300 are divisible by 11? 22 21 18 20 22 21 18 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System The average of 7 numbers is 15, that of the first three is 6 and that of the last three is 23. What is the fourth number? 18 15 13 7 18 15 13 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4th No. = (Total of 7 Nos) - (Total of first three + total of last 3) = (15 x 7) - (6 x 3 + 23 x 3) = 105 - (18 + 69) =105 - 87 = 18
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