Number System Twenty times a positive integer is less than its square by 96. What is the integer? 24 20 30 Cannot be determined 24 20 30 Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Number System What is the difference between the local value of 7 and 5 in the number 2574? 570 403 413 430 570 403 413 430 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 44 46 45 47 44 46 45 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System If the of a two-digit number are interchanged, the number so obtained is greater than the original number by 18. If the sum of the two digits of the number is 14. What is the original number ? 62 64 66 68 62 64 66 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be 10x + y.No. formed by the interchange of digits = 10y + xWe have y - x = 2 .........(i)y + x = 14 .........(ii)Solving (i) and (ii), we get x = 6, and y = 8∴ the no. is 68.
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 180 140 160 240 180 140 160 240 ANSWER DOWNLOAD EXAMIANS APP
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. 519850 Rs. 507250 Rs. 549250 Rs. 536250 Rs. 519850 Rs. 507250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total cost of plot= 650 x 6500 = 4225000Booking amount = 13% of (4225000) = 4225000 x 13/100 = 549250
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