Number System What is the sum of all the composite numbers up to 20? 128 131 132 130 128 131 132 130 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 220 225 232 245 220 225 232 245 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System √343 = ? 21 18 20 19 21 18 20 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System 486+32×25—59=? 567 596 528 582 567 596 528 582 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
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. 536250 Rs. 507250 Rs. 549250 Rs. 519850 Rs. 536250 Rs. 507250 Rs. 549250 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 What is the least number to be subtracted from 696 to make it a perfect square? 71 16 20 1 71 16 20 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.
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