Let the savings of Arun and Bhaskar be Rs. x each Therefore, expenditure of Bhaskar = Rs. 2x Or, 2x + x = 12000 Or, x = Rs. 4000 Therefore, expenditure of Arun = 2x – 2000 = Rs. 6000 Income of Arun = 6000 + 4000 = Rs. 10000
A number is increased by 20% and then decreased by 20%. What is the net effect on the number?
A principal of ₹5000 is invested at a simple interest rate of 8% per annum. What will be the interest earned after 3 years?
A and B can complete a work in 12 days and 15 days respectively. If they work together for 4 days and then B leaves, in how many days can A complete the...
The value of 0∫π cos3x dx is –
A group of 30 students has an average score of 60 in an exam. If 5 more students join the group and their average score is 70, find the new average scor...
Find the value of 'm'.
The surface area of a sphere is 154 cm². Find its volume.
In an exam Dinesh scored 362 marks and Shivam got 68 % marks in the same exam which is 12 marks more than Dinesh. If the minimum passing marks in the ex...
In what time will Rs. 25000 amount to Rs. 26530.20 @ 4% compound interest payable half-yearly?