Question
Average of four numbers is 16. Sum of smallest and
largest number is 45. If difference between other two numbers is 1, then find the square of second smaller number.Solution
Let four numbers in increasing order is a, b, c and d. => a + b + c + d = 4 x 16 = 64 => a + d = 45 => b + c = 19 According to question, => c – b = 1 => b = 9, c = 10 => b² = 81
- Amit and Sumit jointly invested Rs. 4200 and Rs. 2800 in a startup. If the total annual profit is Rs. 9800, what is the difference between their shares of ...
Atul,' 'Bhasker,' and 'Chetna' collaborated in a business, contributing initial amounts of Rs. (p + 300), Rs. (p– 100), and Rs. (p – 300), respectiv...
M and N started a business by investing Rs.5000 and Rs.6000 respectively. After 7 months, M and N increased their investments by 60% and Rs.2100 respect...
Rohan and Deepak invested Rs. 10,000 and Rs. 15,000 respectively. After 3 months, Rohan reduced his investment by Rs. 2,000 and Aman joined with Rs. 20,...
A started a business with an investment of Rs.1500. After some months, B joins the business with an investment of Rs.3000 and after two more months C jo...
A, B and C started a business with initial investments in the ratio 4:5:3, respectively. After one year A, B and C made additional investments equal to ...
‘A’, ‘B’ and ‘C’ started a business by investing Rs. 4,000, Rs. 4,800 and Rs. 3,200, respectively. After 6 months, ‘B’ decreased his inv...
If the ratio of time periods of investment of A and B is 3:5, profit at the end of the year is Rs.120000 and A’s share in it is Rs.20000, then what is...
John and David began a business investing Rs. 50,000 and Rs. 40,000 respectively. Six months later, Emma joined with Rs. 30,000. If the yearly profit wa...
A, B and C invested in partnership. A invest Rs.5000 for 4 months, B invests Rs.2000 for 2 months and C invests Rs.8000 for 2 months. C is working partn...
Relevant for Exams:
