Number System 3√103820 x 3√274620 = ? 3055 3065 3045 3035 3055 3065 3045 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1200 1092 1082 1192 1200 1092 1082 1192 ANSWER DOWNLOAD EXAMIANS APP
Number System If all the fractions 3/10, 1/16, 4/11, 2/9, 1/7, 5/14 and 5/24 arranged in descending order of their values, then which one will be the third? 3/10 1/16 2/9 4/11 3/10 1/16 2/9 4/11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/10 = 0.3, 1/16 = 0.0625, 4/11 = 0.36, 2/9 = 0.22, 1/7 = 0.14, 5/14 = 0.36 and 5/24 = 0.214/11 > 5/14 > 3/10 > 2/9 > 5/24 > 1/7 > 1/163/10 will be the third.
Number System The Twenty-First Century will start on January 1 in the year 2001 2000 2101 2100 2001 2000 2101 2100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 135 685 10 33 135 685 10 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ? Rs. 1054 Rs. 926 Rs. 945 Rs. 986 Rs. 1054 Rs. 926 Rs. 945 Rs. 986 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054
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