Question
Which of the following is an autoimmune
disease?Solution
In rheumatoid arthritis, the immune system mistakenly attacks the body’s joints.
The interest received by investing Rs. 2800 for 2 years at compound interest of 20% p.a., compounded annually, was re-invested for 3 years at simple int...
The simple interest on a sum of money is 9/35 of the sum. If the number of years is numerically 5/7 times of rate percent per annum, then the rate perc...
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The difference of S.I and C.I on an amount of Rs. 40000 for 2 years is Rs. 64. What is the rate of interest?
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"R" put Rs.(r + 5000) into a SIP that offered 12% annual simple interest for four years. He also made a three-year investment of Rs. (r - 5000) in the s...
Meera had Rs. 3500 with her. She invested Rs. ‘c’ at 14% p.a. simple interest for 6 years and the remaining sum at 20% p.a. compound interest, compo...
The difference between the compound interest compounded annually and simple interest on a sum at 10% p.a. for 2 years is Rs. 210. Find the sum.
A and B started a business with initial investments of Rs. 28000 and Rs. 30000 respectively. After one year, a profit of Rs. 5800 is earned. A being a w...
