Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1082 1092 1200 1192 1082 1092 1200 1192 ANSWER DOWNLOAD EXAMIANS APP
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. 97 94 91 86 97 94 91 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 76 74 73 75 76 74 73 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
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 110 74 85 93 110 74 85 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6080 5800 5976 6000 6080 5800 5976 6000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 977 967 987 897 977 967 987 ANSWER DOWNLOAD EXAMIANS APP
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