Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 7 719/1020 9 719/1020 9 817/1020 7 817/1020 7 719/1020 9 719/1020 9 817/1020 7 817/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
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? 6 9 8 10 6 9 8 10 ANSWER DOWNLOAD EXAMIANS APP
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 Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers? 150 140 160 170 150 140 160 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L.C.M of two numbers is given by(Product of the two numbers) / (H.C.F of the two numbers) = 2560/16 = 160.
Number System 384×12×2=? 6123 7487 8465 9216 6123 7487 8465 9216 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 967 977 897 987 967 977 897 987 ANSWER DOWNLOAD EXAMIANS APP
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