Number System In how many different ways can the letters of the word FORMULATE be arranged ? 372880 392880 362880 382880 372880 392880 362880 382880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 140.587 141.587 143.587 142.587 140.587 141.587 143.587 142.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
Number System Which one of the following numbers is exactly divisible by 11? 235641 245642 415624 315624 235641 245642 415624 315624 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.
Number System In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? 2/5 1/25 Data inadequate 1/5 2/5 1/25 Data inadequate 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5
Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 2476 4589 3289 1760 2476 4589 3289 1760 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 140 150 160 170 140 150 160 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
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