Keerthi’s father gave him some money to buy books. He spent half of the money equally to buy books and entertaining his friends. Whatever amount left with him, he deposited half in his savings account and gave Rs. 5 to a poor person as charity. Finally,Keerthi was left with Rs. 20 which he returned to his father. What amount did his father give him initially?

• Rs. 120

• Rs. 100

• Rs. 200

• Rs. 160

Praveen has Rs. 4,662 in the form of 2, 5 and 10 rupee notes. If these notes are in the ratio of 3:5:8, the number of five rupees notes with him is:

• 250

• 336

• 210

• 84

A train ‘X’ leaves station ‘A’ at 3 p.m and reaches station ‘B’ at 4.30 p.m., while another train ‘Y’ leaves station ‘B’ at 3.00 p.m and reaches station ‘A’ at 4.00 p.m. These two trains cross each other at:

• 3.30 p.m.

• 3.20 p.m.

• 3.40 p.m.

• 3.36 p.m.

The difference between simple interest and compound interest at the same rate for rupees 5,000 for two years is rupees 98. The rate of interest is:

• 10%

• 14%

• 12%

• 10 ½ %

Gold and copper are as heavy as water by 19 and 9 times respectively. The ratio in which these two metals be mixed so that the mixture is 17 times as heavy as water is:

• 2:3

• 2:3

• 4:1

• 3:4