1. Three different containers contain 496 litres, 403 litres and 713 litres mixture of milk and water respectively. Find the biggest measure that will measure the three mixtures exactly. (3)
1) 1 litre
2) 7 litre
3) 31 litre
4) 41 litre
5) None of these
2. By how much is three-fifths of 350 greater than four-sevenths of 210? (5)
1) 95
2) 110
3) 120
4) 210
5) None of these
3. A class starts at 10am and lasts till 1.27 pm. Four periods are held during this interval. After every period, 5 minutes is given free to students. The exact duration of each period is (2)
1) 42 minutes
2) 48 minutes
3) 51 minutes
4) 53 minutes
5) None of these
4. The least number by which 1470 can be divided to get a number which is a perfect square is (4)
1) 5
2) 10
3) 15
4) 30
5) None of these
5. The average age of 36 students in a group is 14 years, when teachers age is included the average increases by one. What is the teacher’s age? (3)
1) 31 years
2) 36 years
3) 51 years
4) Cannot be determined
5) None of these