Question
3, 7, 15, 27, 63, 127,
255 Find the wrong number in the seriesSolution
Go on multiplying the number by 2 and adding 1 to it to get the next number. So, 27 is wrong.
Rs. 5000 when invested at simple interest of r% p.a. amounts to Rs. 6000 in 24 months. If the same sum had been invested for 1 year at compound interest...
Aman invested Rs. 6,500 in scheme ‘Alpha’ which offered compound interest compounded annually at 10% per annum for 3 years. He also put Rs. ‘P’ ...
Ankit invested a total of Rs. 63,000 between two SIPs: 'P', offering 10% compound interest compounded annually, and 'Q', offering 12% simple interest pe...
- The simple interest earned on investing Rs. (80X + 2000) at simple interest of 15% p.a. for 36 months is Rs. 576 less than the total amount received on inv...
'S' allocated 40% of his monthly income to SIP P, where it accrues a simple interest of 18% p.a. The remaining 60% was directed to SIP Q, with a compoun...
Rs. 2000 invested for 2 years in a scheme offering compound interest (compounded annually) of 15% p.a. gives an interest that is Rs. 20 less than the in...
- Priya deposited Rs. ‘x’ at 14% p.a. simple interest, and Neha deposited Rs. (x + 600) at 11% p.a. simple interest. If after 2 years, the total interest...
A man deposited Rs. ‘x + 1400’ at 12% per annum simple interest and earned Rs. 828 as interest after 2 years. Find the interest earned by him if he ...
John borrowed some money from Alex at 10% simple interest per annum. He lended this money to Shaun at 20% compound interest per annum, and made a profit...
Mr. P invested Rs. ‘10x’ in scheme ‘A’ offering simple interest of 20% p.a. and reinvested the interest earned from scheme ‘A’ at the end of...
Relevant for Exams:
