Number System 3√103820 x 3√274620 = ? 3055 3045 3065 3035 3055 3045 3065 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47619 47719 47649 48619 47619 47719 47649 48619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 54.7 42.1 42.6 45 54.7 42.1 42.6 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System 56.21 +2.36+5.41 —21.4+1.5=? 34.08 64.08 44.08 54.08 34.08 64.08 44.08 54.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 12 14 16 10 12 14 16 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System Find the number which multiplied by 15 is increased by 196. 28 20 14 26 28 20 14 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
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