Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.784 8.684 8.484 8.584 8.784 8.684 8.484 8.584 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 None of these 60 80 40 None of these 60 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System If 35% of a number is 899.5, what is 68% of that number ? 2247.6 1847.6 1547.6 1747.6 2247.6 1847.6 1547.6 1747.6 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
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 29.81 28.56 27.54 30.52 29.81 28.56 27.54 30.52 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 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 ? 5976 5800 6080 6000 5976 5800 6080 6000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 666 444 333 555 666 444 333 555 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
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