Number System Find the number of factors of 300 excluding 1 and itself. 14 15 16 18 14 15 16 18 ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 77 76 75 78 77 76 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 25 50 30 125 25 50 30 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6080 5800 5976 6000 6080 5800 5976 6000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 386 388 391 384 386 388 391 384 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the least number, which is perfect square but contains 2700 as its factor? 1800 10800 2700 5400 1800 10800 2700 5400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
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