Question : The current population of the town is 68,000. The population increases by 10 percent in the first year and decreases by 30% in the second year. Find the population after 2 years.

Option 1: 52,360

Option 2: 68,500

Option 3: 69,000

Option 4: 70,100

Question : A two-wheeler depreciates by 20% of its value every year. If the present value of the same is Rs. 90,000, its depreciated value would be Rs. 36,864 after:

Option 1: 6 years

Option 2: 5 years

Option 3: 4 years

Option 4: 3 years

Question : Rs. 30,000 is lent at compound interest (compounded annually) for 3 years. If the rate of interest is 10% for the first year, 20% for the second year, and 30% for the third year, then what will be the total compound interest?

Option 1: Rs. 21,480

Option 2: Rs. 19,270

Option 3: Rs. 20,560

Option 4: Rs. 22,580

Question : The average age of 30 students is 20 years and the average age of 20 other students is 30 years. The average age of the total number of students is:

Option 1: 24 years

Option 2: 25 years

Option 3: 48 years

Option 4: 50 years

Question : The average age of Ram and Rahim is 10 years. The average age of Rahim and Ramesh is 15 years. The average age of Ram and Ramesh is 20 years. What is the age of the eldest of the three?

Option 1: 25 years

Option 2: 10 years

Option 3: 30 years

Option 4: 15 years