Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 48.765 47.765 49.765 46.765 48.765 47.765 49.765 46.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 4366 2366 1366 3366 4366 2366 1366 3366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
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 ? 4589 1760 3289 2476 4589 1760 3289 2476 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 The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 7/32 1/35 12/35 35/8 7/32 1/35 12/35 35/8 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 What is the sum of all even numbers from 1 to 701? 122850 122550 123850 122500 122850 122550 123850 122500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 3 5 9 11 3 5 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
EXAMIANS