Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 6 8 3.5 None of these 6 8 3.5 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System 3√68921 = ? 51 41 31 21 51 41 31 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System 1827÷ 36 x ?=162.4 3.2 1.9 4.3 2.6 3.2 1.9 4.3 2.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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. 125 25 30 50 125 25 30 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System 65 x 288 ÷ 52 = 1.8 x ? 180 210 190 200 180 210 190 200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 576 449 321 241 576 449 321 241 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
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