For the following questions answer them individually
smn of money becomes two times of itself in 8 years at simple interest, and it becomes four times of itself in 2 years at compound interest, when interest is compounded annually. Find the ratio of the rate of simple interest to the rate of compound interest offered per year.
A smaller circle touches a bigger circle internally and also passes through the center 'O' of the bigger circle. If the area of the smaller circle is 192 $$cm^{2}$$, the area of the bigger circle (in $$cm^{2}$$) is:
The HCF and the LCM of two numbers are 5 and 120, respectively. If the sum of the two m1mbers is 55, then the sum of the reciprocals of these two numbers is equal to:
Ranveer bought a computer paying 25% less than the list price and sold it to his neighbour at a 40% profit on his purchase cost. The profit percentage earned by Ranveer on the list price of the computer is:
A thief escapes from a police sta tion at 8:00 a.111. on a cycle at a speed of 50 km/h. A policeman sta11s chasing the thief on a motorbike at 9:30 a.111. at the speed of 65 km/h. At what distance from the police station will the policeman catch up with the thief?
and B leave from point Mat the same time towards point N. B reaches N and stru1S towards M instantly. He meets A at point O (between M and N). The distance between M and N is 245 km. If the speeds of A and B are 26 km/h and 65 km/h, respectively, then what is the distance between O and N?
What .1.s the value of $$[\left\{(\frac{3}{7}\ of\ \frac{5}{12}-\frac{1}{2})+\frac{11}{2}-\frac{1}{2}\times\frac{4}{5}\right\}+\frac{6}{5}\times\frac{25}{18}]$$ ?
Ranbir bought a car at a 50% discount on the cost price of the car. Had he got a 60% discount, he would have spent ₹1,00,000 less. Calculate the cost price of the car?
The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.