Number System The sum of two numbers is 25 and their difference is 13. Find their product. 114 325 315 104 114 325 315 104 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 18 16 12 8 18 16 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System 4500 * ? = 3375 1/4 3/4 3/5 2/5 1/4 3/4 3/5 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
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. 549250 Rs. 536250 Rs. 507250 Rs. 519850 Rs. 549250 Rs. 536250 Rs. 507250 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 Supply the missing figure : 2, 6, 12, 20, 30 ... 56 40 42 41 39 40 42 41 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 20, 25 30, 25 21, 26 15, 20 20, 25 30, 25 21, 26 15, 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.