Number System The average age of seven boys sitting in a row facing North is 26 years. If the average age of first three boys is 19 years and the average age of last three boys is 32 years, what is the age of the b 29 years 31 years 28 years 30 years 29 years 31 years 28 years 30 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Age of the fourth boy = (26 x 7 - 3 x 19 - 3 x 32) years = (182 - 57 - 96) years = 29 years
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. 91 86 97 94 91 86 97 94 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 35 34 36 33 35 34 36 33 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 70983 43893 43983 43883 70983 43893 43983 43883 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 93 74 85 110 93 74 85 110 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System 93296 - 45874 + 20382 - 56817 = ? 109877 109887 109867 109857 109877 109887 109867 109857 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887