Number System 3251 + 587 + 369 - ? = 3007 1300 1375 1200 1250 1300 1375 1200 1250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System 384×12×2=? 7487 6123 9216 8465 7487 6123 9216 8465 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System 3√103820 x 3√274620 = ? 3035 3055 3045 3065 3035 3055 3045 3065 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 5/12 25/144 144/25 12/5 5/12 25/144 144/25 12/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 35/8 7/32 12/35 1/35 35/8 7/32 12/35 1/35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
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