Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 29.81 28.56 30.52 27.54 29.81 28.56 30.52 27.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System 65 x 288 ÷ 52 = 1.8 x ? 210 190 200 180 210 190 200 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
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 30 50 125 25 30 50 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System What least number should be added to 8602 to make it a perfect square ? 36 41 51 47 36 41 51 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System The simplest form of 1.5 : 2.5 is : 5 : 7 13 : 11 3 : 5 17 : 19 5 : 7 13 : 11 3 : 5 17 : 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System If 35% of a number is 899.5, what is 68% of that number ? 1847.6 1547.6 1747.6 2247.6 1847.6 1547.6 1747.6 2247.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
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