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 31 years 29 years 30 years 28 years 31 years 29 years 30 years 28 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. 94 91 86 97 94 91 86 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System (4 86%of 6500) ÷ 36 =? 777.5 877.5 977.5 677.5 777.5 877.5 977.5 677.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System One-eighth of a number is 76. What will be 54% of the number ? 318.32 332.32 321.32 328.32 318.32 332.32 321.32 328.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608 = 608 x 54/100 = 328.32
Number System (12.11)2 + (?)2 = 732.2921 20.2 17.2 24.2 14.2 20.2 17.2 24.2 14.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System (95.6x 910.3) ÷ 92.56256 = 9? 13.34 12.24 15.54 14.44 13.34 12.24 15.54 14.44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
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