(1). A certain sum of money becomes three times of itself in 20 year at S.I. In how many years does it become double of itself at the same rate of simple interest?

• (a). 10yrs
• (b). 6yrs
• (c). 19yrs
• (d). 5yrs
• (e). None of these

(2). Divide Rs.2379 into three parts so that their amount after 2, 3 and 4 years respectively may be equal, the rate of interest being 5% per annum at S.I. The first part is?

• (a). 1098
• (b). 562
• (c). 549
• (d). 828
• (e). None of these

(3). Arun took a loan of Rs. 1400 with simple interest for as many years as the rate of interest. If he paid Rs.686 as interest at the end of the loan period, what was the rate of interest?

• (a). 8%
• (b). 6%
• (c). 4%
• (d). 7%
• (e). None of these

(4). Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?

• (a). Rs. 6400
• (b). Rs. 7200
• (c). Rs. 6500
• (d). Rs. 7500
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). 5