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:

14

42

24

69

None of these


2. Which one of the following numbers has rational square root?

0.4

0.09

0.9

0.025

None of these


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?

10a.m

10:30a.m

11a.m

11:30a.m

None of these


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?

3

5

7

Data inadequate

None of these


5. BH is perpendicular to AC. Find x the length of BC.

12.3

2.3

3.2

13.2

None of these


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

4 hrs 15 mins

None of these


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