A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When Bhawana takes food for 20 days, she has to pay ₹2600 as hostel charges; whereas when Divya takes food for 26 days, she pays ₹3020 as hostel charges. Find the fixed charges and the cost of food per day.

Sum of digits of a two digit number is 8. If the number obtained by reversing the digits is 18 more than the original number, then the original number is

1. 35

2. 53

3. 26

4. 62

The sum of two natural numbers is 240 and their ratio is 3 : 5. Then the greater number is

1. 180

2. 160

3. 150

4. 90

The sum of the digits of a two digit number is 9. If 27 is added to it, the digits of the number get reversed. The number is

1. 27

2. 72

3. 63

4. 36