Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 977 967 987 897 977 967 987 ANSWER DOWNLOAD EXAMIANS APP
Number System 4500 * ? = 3375 1/4 3/5 2/5 3/4 1/4 3/5 2/5 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6000 6080 5976 5800 6000 6080 5976 5800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 11 5 0 3 11 5 0 3 ANSWER DOWNLOAD EXAMIANS APP
Number System Radha's present age is three years less than twice her age 12 years ago. Also the respective ratio between Raj's present age and Radha's present age is 4 : 9. What will be Raj's age after 5 years ? 14 years 16 years 15 years 17 years 14 years 16 years 15 years 17 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let Radha's present age = x years.∴ x = 2 (x = 12) - 3= x = 2x - 24 - 3= x = 27∴ Raja's present age = 4/9 x 27= 12 years ∴ Raja's age after 5 years = 12 + 5 = 17 years
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 60 54 58 56 60 54 58 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.