Share It On :
1. In an A.P. consisting of 23 terms, the sum of the three terms in the middle is 114 and that of the last three is 204. Find the sum of first three terms:
None of these
2. Which one of the following numbers has rational square root?
3. The distance between two cities A and B is 330 Km. A train starts from A at 8 a.m. and travel towards B at 60 km/hr. Another train starts from B at 9a.m and travels towards A at 75 Km/hr. At what time do they meet?
4. 10 women can complete a work in 7 days and 10 children take 14 days to complete the work.
How many days will 5 women and 10 children take to complete the work?
5. BH is perpendicular to AC. Find x the length of BC.
5. A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
3 hrs 15 min
3 hrs 45 min
4 hrs 15 mins