Question
In a college the ratio of boys and girls are in the
ratio 7:9. 65% girls and 40% boys were absent. Find the girls present if the total number of students in a college were 320.Solution
Boy: Girl = 7:9 Total number of students = 320 Number of Boys = (7/16) × 320 = 140 Number of Girls = (9/16) × 320 = 180 Number of girls absent = 65% × 180 = 117 Number of boys absent = 40% × 140 = 56 Total number of girls present = 180 – 117 = 63
 is divisible by which one of t...The scores of KL Rahul in a T20 series were 78, 34, 56, 90, and 45. While the scores of Rishabh Pant in the same series were 22, ...
Find the sum of all natural numbers less than 1,000 that are divisible by both 3 and 5 but not by 7.
Find the greatest 4‑digit number which is exactly divisible by 12, 15 and 20.
A certain number gives a remainder of 11 when divided by 50. What will be the remainder if the same number is divided by 5?
A farmer wants to divide Rs 2,81,800 between his sons , who are 17 and 19 years old respectively, in such a way that the sum divided at the rate of 12% ...
Find the number of zeroes in the product of 60 × 61 × 62 × ........ × 80?
Three natural numbers are such that one-third of the first number is equal to two-fifths of the second, and two-thirds of the second number is equal to ...
Some pencils were distributed among (x + 2) students such that each student received 10 pencils. If there had been 5 students more, then pencils receive...
- A student was supposed to multiply a number by 0.84 but instead multiplied it by 8.4. Due to this, his result exceeded the correct result by 3360. Find the...
