Challenger Logo

Challenger App

Get it on Google PlayGet it on App Store
Challenger App

No.1 PSC Learning App

★
★
★
★
★
1M+ Downloads
Get App
ഒരു ക്ലാസ്സിലെ ആൺകുട്ടികളുടെയും പെൺകുട്ടികളുടെയും അനുപാതം 4 : 5 ആണ് ആ ക്ലാസ്സിലെ പെൺകുട്ടികളുടെ എണ്ണം 20 ആയാൽ ആൺകുട്ടികളുടെ എണ്ണം എത്ര ?

A16

B25

C45

D30

Answer:

A. 16

Read Explanation:

ആൺകുട്ടികളുടെയും പെൺകുട്ടികളുടെയും അനുപാതം = 4 : 5 = 4x : 5x പെൺകുട്ടികളുടെ എണ്ണം 20 5x = 20 X = 20/5 = 4 ആൺകുട്ടികളുടെ എണ്ണം 4x = 16

Related Questions:

The ratio of weights of Mahendra and Sakshi is 23 ∶ 18. By what percent is the weight of Mahendra more than Sakshi?

Find the fourth proportion of the numbers 13rdof15,45thof25,37thof35\frac{1}{3}rd of 15,\frac{4}{5}th of 25,\frac{3}{7}th of 35

X and Y enter into a partnership with capital in the ratio 3 ∶ 5 After 5 months X adds 50% of his capital, while Y withdraws 60% of his capital. What is the share (in Rs. lakhs) of X in the annual profit of Rs. 6.84 lakhs?
Three partners shared the profit in a business in the ratio 8 : 7 : 5. They invested their capitals for 7 months, 8 months and 14 months, respectively. What was the ratio of their capitals?
The ratio of income of A and B is 5 : 7. The ratio of expenditure of both is 3 : 4 and their savings are respectively Rs. 1400 and Rs. 2200. Find the income of A and B respectively.