App Logo

No.1 PSC Learning App

1M+ Downloads
The ratio of income to savings for the month of family is 12 ∶ 5. What is the amount of savings for 6 months, where expenditure of a month is Rs. 21,000?

A90,000

B30,000

C45,000

D15,000

Answer:

A. 90,000

Read Explanation:

Let Income be 12x Savings be 5x Expenditure = Income - Savings ⇒ 12x - 5x = 7x Expenditure of a month = Rs. 21,000 ⇒ Savings of a month = 21,000 × 5x/ 7x ⇒ Savings of a month = 15,000 Savings of 6 months = 15,000 × 6 = Rs. 90,000


Related Questions:

മൂന്നു കാറുകളുടെ വേഗതയുടെ അംശബന്ധം 3 : 4 : 5 ആണ്. ഒരു നിശ്ചിത ദൂരം സഞ്ചരിക്കാൻ അവരെടുക്കുന്ന സമയത്തിന്റെ അംശബന്ധം ഏത്?
Three friends divided Rs. 624 among themselves in the ratio 1/2 : 1/3 :1/4. The share of the third friend is ?
A solution of milk and water contains milk and water in the ratio of 3 : 2. Another solution of milk and water contains milk and water in the ratio of 2 : 1. Forty litres of the first solution is mixed with 30 litre of the second solution. The ratio of milk and water in the resultant solution is:
ഒരു ക്ലാസ്സിൽ 68 കുട്ടികൾ ഉണ്ട്. ആൺകുട്ടികളും പെൺകുട്ടികളും തമ്മിലുള്ള അംശബന്ധം 6 : 11 ആയാൽ പെൺകുട്ടികളുടെ എണ്ണം എത്ര ?
A bag contains Rs.252 in the form of coins of 1, 2 and 5 rupees in the ratio of 3 : 7 : 5. What is the number of Rs.2 coins in the bag