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? 12/35 35/8 7/32 1/35 12/35 35/8 7/32 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 7.98 x 3.75 + 1.28 x 15.5 = ? 49.765 47.765 46.765 48.765 49.765 47.765 46.765 48.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System 1827÷ 36 x ?=162.4 1.9 3.2 2.6 4.3 1.9 3.2 2.6 4.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System Which is the smallest fractions among the following ? 13/15 15/19 27/31 11/13 13/15 15/19 27/31 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/13 = 0.8461,13/15 = 0.8666,27/31 = 0.87,15/19 = 0.789
Number System A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent? 9 6 10 8 9 6 10 8 ANSWER DOWNLOAD EXAMIANS APP
Number System How many numbers up to 100 and 300 are divisible by 11? 18 21 22 20 18 21 22 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers