Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1480 1680 1580 1780 1480 1680 1580 1780 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
Number System What is 846 times 323 ? 264258 283298 293798 273258 264258 283298 293798 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System √2304 x √? = 2832 3381 3581 3481 3681 3381 3581 3481 3681 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 248 148 210 126 248 148 210 126 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 73/77 93/77 83/77 77/73 73/77 93/77 83/77 77/73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System 1256+4813+765=? 6831 6839 6834 6836 6831 6839 6834 6836 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
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