Question
If 5459 = 450, 2485 = 160 and 8763 = 504, then 3474 =
__.Solution
Product of all the digits of the number and then halve the product to obtain the given number. 5459 → 5 x 4 x 5 x 9 = 900; 900/2 = 450. 2485 → 2 x 4 x 8 x 5 = 320; 320/2 = 160. 8763 → 8 x 7 x 6 x 3 = 1008; 1008/2 = 504. 3474 → 3 x 4 x 7 x 4 = 336; 336/2 = 168.
The average mark obtained by Khushi in four papers was 51, and in the fifth paper, she obtained 56 marks. Find his new average in all five papers.
- The average salary of M, N, and O is Rs. 20000 and the average salary of P and Q is Rs. 14000. If the savings of M is 65% of the average salary of all five...
- The average age of a team of 20 men is 36 years. If the total age of a group of 16 women is 20% less than the total age of the team of men, then what is th...
Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i....
The average number of taxis of three colours (black, white and yellow) in a taxi stand is 144. The number of black taxis is 30 more than that of yellow ...
- A cyclist maintained an average speed of 22 km/hr for the first 18 hours of a race. In the next 6 hours, his average speed was ‘x’ km/hr, so that his o...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Qu...
Average of four consecutive prime numbers Q1, Q2, Q3, and Q4 is (15 + x). If the average of Q1 and Q2 is (11 + x) and the average of Q3 and Q4 is (11 + ...
Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fift...
- The average of forty numbers is 45 while the average of first twenty-two numbers and last twenty-two numbers is 50 and 60, respectively. Find the twenty-se...