Question
Vishal has certain sum of money with him. He invested
80% of the sum in scheme βXβ offering 15% p.a. simple interest for 8 years and received Rs. 2760 as interest. He then invested the amount received from scheme βXβ in scheme βYβ for 2 years at 50% p.a., compound interest compounded annually. Find the amount received by Vishal from scheme B.Β ΒSolution
Let, Vishal invested Rs. x in scheme βXβ According to the question, {(x Γ 15 Γ 8)/100} = 2760 Or, x = 2760/1.2 Or, x = 2300 Total sum Vishal had = 2300/0.8 = Rs. 2875 Amount received from scheme βXβ = 2300 + 2760 = Rs. 5060 Amount received from scheme βYβ = 5060(1 + 50/100)2 = Rs. 11385Β
A bag contains 6 red, 10 yellow, and 14 black balls. If 2 balls are picked at random without replacement, find the probability that the first ball is re...
The annual production of an article fluctuates. It consistently rises by 25% for two consecutive years, followed by a 20% decline in the third year. In ...
Average of four numbers is 16. Sum of smallest and largest number is 48. If difference between other two numbers is 2, then find the square of second sm...
The average length of 60 pipes is 120 cm. When two pipes of lengths (n + 15) cm and (n - 5) cm are added, the average length becomes 121 cm. Find the va...
The average monthly fee for 30 students in a workshop is Rs. 10,000. After an increase, the new monthly average fee for each student is Rs. (10000 + X)....
The total number of students in class X and Y is 72. The number of students in X is 40% more than that in Y. The average marks of students in Y are 50% ...
The average age of (x + 2) members in a committee is 22 years. When a 44-year-old chairman joins, the average age rises to 23 years. Find x% of 500.
Sum of ages of 60 students is 900 years such that the average age of 25 of them is 10 years and average age of another 25 of them is 14 years. Find the ...
The average weight of 20 students is 27 kg. If two students weighing 19 kg and 47 kg are replaced by a teacher weighing 77 kg, what is the new average w...
The average of ten positive numbers is calculated as 56. On observing, it was found that two numbers 64 and 32 are wrongly interpreted as 76 and 52, res...