Number System What is 50% of 40% of Rs. 3,450? 630 670 690 640 630 670 690 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 26 30 28 29 26 30 28 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
Number System (√6 + 1)² = ? + 2√6 5 7 8 6 5 7 8 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 39 41 42 40 39 41 42 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 162 245 188 141 162 245 188 141 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 114 96 102 88 114 96 102 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
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