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The arrangement is made in such a way that the vowels always come together; ie, “MNDY (OA)” Considering vowels as one letter, 5 different letters can be arranged in 5 ways; ie, 5! = 120 ways The vowels ‘OA’ can be arranged themselves in 2! ways; 2! = 2 ways Therefore, required number of ways = 120 × 2 = 240 ways
A sum of money grows to Rs. 1560 when invested at a simple interest rate of 15% per annum for 2 years. What will be the total amount received if the sa...
Two persons A and B invest money in two schemes. A invests Rs. 6000 for 2 years in R% CI per annum. B invests Rs.7000 for 2 years in 20% CI per annum. I...
A certain sum of money yields Rs. 9,930 as compound interest for 3 years at 10% per annum. The sum is (in rupees).
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 6 years and that for 16 years?
Find the period when simple interest on Rs.4000 at 6% per annum will be Rs.400.
'M' invested ₹19,200 at an annual compound interest rate of 10%, compounded yearly. After 'a' years, the total amount he received was ₹23,232. If 'Q...
A man invests ₹50,000 in two schemes A and B for 1 year. Scheme A offers 12% simple interest and Scheme B offers 10% compound interest, compounded ann...
'Fatima' deposited Rs. 6,500 in a SIP at simple interest of 10% p.a. If she earned Rs. 3,900 as interest, then find the duration (in years) for which th...
Scheme A provides an interest rate of R% compounded annually, while Scheme B offers simple interest at the same rate. Anoop has invested Rs. 1200 in bo...
