Number System 5525 ÷ 17 = √? 99225 105625 112225 93025 99225 105625 112225 93025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System If (74)² is added to the square of a number the answer so obtained is 7780. What is the number ? 48 49 47 50 48 49 47 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.or, x² + (74)² = 7780or, x² = 7780 - 5476 = 2304∴ x = 48
Number System What is 846 times 323 ? 283298 264258 293798 273258 283298 264258 293798 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 485 495 480 490 485 495 480 490 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
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 ? 6353 6373 6383 6363 6353 6373 6383 6363 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
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 4 1 9 7 4 1 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
EXAMIANS