Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 650 550 850 750 650 550 850 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 977 987 967 897 977 987 967 ANSWER DOWNLOAD EXAMIANS APP
Number System 384×12×2=? 8465 7487 6123 9216 8465 7487 6123 9216 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 124 163 179 146 124 163 179 146 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ? 6383 6373 6353 6363 6383 6373 6353 6363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4 = 5 x 82= 5x + 10 = 410 = 5x = 400= x = 400/5 = 80 ∴ A = 80C = 82and E = 84= C x E = 82 x 84 = 6383
Number System (444 x 44 x 4) ÷ 40 ? 1953.6 2053.6 1853.6 2153.6 1953.6 2053.6 1853.6 2153.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
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