Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 197 187 219 207 197 187 219 207 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.
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.
Number System (95.6x 910.3) ÷ 92.56256 = 9? 12.24 14.44 13.34 15.54 12.24 14.44 13.34 15.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 4 5 6 10 4 5 6 10 ANSWER DOWNLOAD EXAMIANS APP
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 88 40 44 80 88 40 44 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 169 170 171 168 169 170 171 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
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