Subject
Quantitative Aptitude
Topic
Fraction & Decimal
In a department, 3/5 of the workers are men and the rest are women. If 1/2 of the men and 3/7 of the women in the department are over 35, what fraction of all the workers in the department are over 35 ?
In a department, 3/5 of the workers are men and the rest are women. If 1/2 of the men and 3/7 of the women in the department are over 35, what fraction of all the workers in the department are over 35 ?
ক)
33/70খ)
66/70গ)
33/140ঘ)
35/140Explanation
Solution: LCM of 5, 2 & 7 = 70 So, men = 70 3/5 = 42 Women = 70 - 42 = 28 Now, men over 35 = 42 1/2 = 21 Women 35 = 28 3/7 = 12 Total men & women 35 = 21+12 = 33 Required fraction = 33/70Related questions
নিচের ভগ্নাংশগুলোর মধ্যে কোনটি বৃহত্তম ?If the number 17/24 , 1/2, 3/8, 3/4 and 9/16 were ordered greatest to least, the middle number of the resulting sequence would beWhich of the following has the greatest value ?The fractional expression of 0.40 is -A cake is divided into three pieces so that the first piece is four times as big as big as the second and the second piece is three times as the third. What fraction of the entire cake is the smallest piece?Which of the following fractions is the smallest ?A petrol tank that is 1/2 full has 8 gallons petrol removed. The tank is then 1/10 to full. What is the capacity, in gallons of the tank?A tree increases annually by 1/8 of it's height. By how much will it increase after 2 years, if it stands today 64 cm high ?