Find the S.I. and the amount on ₹ 150 for 4 years at 5% per year. (a) Rs. 120 (b) Rs. 180 (c) 160

If Rs. 4 becomes Rs. 10 in 50 years at simple interest. Find the rate of interest. (a) 4% (b) 7% (c) 3%

Find the time in which ₹ 2,000 will amount to ₹ 2,330 at 11% p.a. (a) 1 year (b) 2 years (c) 1 ½ years

How much Simple Interest can a person get on Rs. 8,200 at 17.5% p.a. for a period of 2 years and 6 months? (a) Rs. 3587.50 (b) Rs. 3587 (c) 4578.50

Find the sum which will amount to Rs. 700 in 5 years at 8% p.a. (a) Rs. 250 (b) Rs. 500 (c) 400

Anoop borrowed Rs. 800 at 6 % p.a. & Rs. 1200 at 7 % p.a. for the same duration. He had to pay Rs. 1584 in all as interest. Find the time period (a) 15 years (b) 12 years (c) 13 years

In what time will a sum of money double itself at 8% p.a. (a) 11 years (b) 10 ½ years (c) 12 ½ years