Question
In the word ‘GRAVEYARD’ all consonants are
written as their preceding letter and all vowels are written as their following letters. Now all letters are arranged in alphabetical order from left to right and all the repeated letters are eliminated. Then, how many such pairs of letters are there, each of which have as many letters between them in the word (forward direction) as they have between them in the English alphabetical series?ÂSolution
The word - G R A V E Y A R D
   F Q B U F X B Q CÂ
   B B C F F Q Q U X
   B C F Q U X
Only BC is there for the forward arrangement.Â
Abhishek invested Rs. 7996.89 in a business for 3.98 months and then left the business. Bhuvan invested Rs. 1998.68 more than Abhishek for (2/3)Â r...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2700 after 3 years. If the same amount is investe...
Rs. 10000 when invested at simple interest of r% p.a. amounts to Rs. 12000 in 24 months. If the same sum had been invested for 1 year at compound intere...
The compound interest received on investing Rs. 4500 for 2 years at compound interest of 20% p.a compounded annually is how much percentage more than th...
A sum of Rs.80 is lent to be returned in 90 months installments of Rs.10 each, interest simple. The rate of interest is: -
Rina lent Rs. 18,000 to her brother at a compound interest rate of 'y%' per annum, compounded annually. After one year, her brother paid her Rs. 19,440 ...
- Karan invested Rs. 45,000 in scheme 'X' and Rs. 30,000 in scheme 'Y' on simple interest. Scheme 'X' offers 10% p.a. for 3 years and scheme 'Y' offers 8% p....
On a certain sum, the difference between compound interest and simple interest for 2 years at 5% per annum is Rs 50. Find the sum.
A sum of 74000 is divided into two parts such that the simple interest on the first part for 3 years at 15% per annum is equal to the simple interest on...
A sum doubles in 9 years at simple interest. Find the rate of interest per annum is.
Relevant for Exams:
