Number System If 5/7 of a number is 145, what is 180% of that number ? 365.4 375.4 355.4 345.4 365.4 375.4 355.4 345.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 9 2 5 6 9 2 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System 1260 x 1.45 - 888 x 1.75 = ? 367 295 256 273 367 295 256 273 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 321 241 449 576 321 241 449 576 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 88 80 44 40 88 80 44 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 2000 Rs. 4000 Rs. 5000 Rs. 3000 Rs. 2000 Rs. 4000 Rs. 5000 Rs. 3000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
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