Instructions

For the following questions answer them individually

Question 43

What is the minimum temperature to which a fuel must be heated so that it may catch fire and start burning?

Question 45

What is the aim of the 'Young Scientist Programme' for students, which was recently launched by ISRO?

Question 46

P and Q can do a work individually in 15 days and 20 days respectively. Find the respective ratio of their efficiencies.

Question 48

Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 km/h. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 km/h. At what time will they meet?

Question 49

What digit will come in the place of 'a' in the number 1a5a01, if it is divisible by 11?

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