Number System The Twenty-First Century will start on January 1 in the year 2101 2001 2100 2000 2101 2001 2100 2000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System √360 - 225 x 2 + 379 = ? 18 19 20 17 18 19 20 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 33 37 35 29 33 37 35 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 74 73 76 75 74 73 76 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 What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6893 6993 693 6093 6893 6993 693 6093 ANSWER DOWNLOAD EXAMIANS APP
Number System A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ? 6363 6373 6353 6383 6363 6373 6353 6383 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4 = 5 x 82= 5x + 10 = 410 = 5x = 400= x = 400/5 = 80 ∴ A = 80C = 82and E = 84= C x E = 82 x 84 = 6383
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