Challenger App

No.1 PSC Learning App

1M+ Downloads
Two page numbers of a book are in the ratio 2 : 3. If 2 being subtracted from each, they are in the ratio of 3 : 5. Find the farthest page number.

A8

B10

C12

D14

Answer:

C. 12

Read Explanation:

x : y = 2 : 3 y=3x/2 (x-2):(y-2) = 3 : 5 5x-10 = 3y-6 5x-10 = 3(3x/2)-6 5x- 9x/2 = 10-6 x/2 = 4 x = 8 so, y = 12


Related Questions:

If the ratio of speed upstream and downstream is 5 : 7 and the speed of the stream is 6 m/sec, then what is the time taken by a boat to cover the total distance of 210 m both upstream and downstream?
500g, 5kg തമ്മിലുള്ള അനുപാതം എത്രയാണ്?
A and B starts a business with investment of Rs. 28000 and Rs. 42000 respectively. A invests for 8 months and B invests for one year. If the total profit at the end of year is Rs. 21125, then what is the share of B?
Meena, Arun and Gopu divide a sum of Rs.6000 in such a way that Arun gets 1/ 2 of what Meena gets and Gopu gets 3/4 of what Arun gets. Then what is Arun's share ?
ഒരു ക്ലാസിലാകെ 550 വിദ്യാർഥികളുണ്ട്. ആൺകുട്ടികളുടെയും പെൺകുട്ടികളുടെയും അനുപാതം 6 : 5 ആണ്. അനുപാതം 5 : 6 ആക്കുന്നതിനായി എത്ര പെൺകുട്ടികളെ കൂടി ചേർക്കേണ്ടതുണ്ട്?