Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 11 5 3 7 11 5 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System A plot of 650 sq ft is available at the rate of Rs 6500 per sq ft. If 13% of the total cost of the plot is to be paid for booking the plot, what is the booking amount, (in Rs) ? Rs. 507250 Rs. 549250 Rs. 536250 Rs. 519850 Rs. 507250 Rs. 549250 Rs. 536250 Rs. 519850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total cost of plot= 650 x 6500 = 4225000Booking amount = 13% of (4225000) = 4225000 x 13/100 = 549250
Number System 93296 - 45874 + 20382 - 56817 = ? 109867 109877 109857 109887 109867 109877 109857 109887 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System (4300731) - ? = 2535618 1775123 1675123 1765113 1865113 1775123 1675123 1765113 1865113 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 343 382 396 378 343 382 396 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System What number should replace both the question marks (?) in the following question ? 85 84 83 82 85 84 83 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
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