Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 850 650 550 750 850 650 550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 14.44 13.34 12.24 15.54 14.44 13.34 12.24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System If 35% of a number is 899.5, what is 68% of that number ? 1847.6 2247.6 1747.6 1547.6 1847.6 2247.6 1747.6 1547.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
Number System The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ? 18 years 17 years 20 years 19 years 18 years 17 years 20 years 19 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the age of the son be x and the age of the father be y.Therefore, x + y = 65 ..........(i)or, 2 x (x + 5) = (y + 5)or, 2x + 10 = y + 5or, 2x - y = 5 ...................(ii)From equations (i) and (ii), x = 20, y = 45
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 967 977 987 897 967 977 987 ANSWER DOWNLOAD EXAMIANS APP
Number System √2304 x √? = 2832 3681 3381 3581 3481 3681 3381 3581 3481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481