Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 76 75 74 73 76 75 74 73 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 If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 54 75 64 88 54 75 64 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 321 241 449 576 321 241 449 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System 480% of 350 + 620% of 275 = ? 5385 3385 4385 2385 5385 3385 4385 2385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
Number System What is the difference between the local value of 7 and 5 in the number 2574? 430 403 413 570 430 403 413 570 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System If (74)² is added to the square of a number the answer so obtained is 7780. What is the number ? 48 50 49 47 48 50 49 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.or, x² + (74)² = 7780or, x² = 7780 - 5476 = 2304∴ x = 48