Question
In an examination the average marks of Rohit is 65. If
he got 15 more marks in science and 25 more marks in maths then his average would have been 70. Find the total number of subjects he studied?Solution
Let total number of subjects be x. Then, => (65x + 25 + 15)/x = 70 => 65x + 25 + 15 = 70x => 5x = 40 => x = 8
Arrange the following North-Eastern hills in order starting from North to South:
1. Lushai Hills
2. Manipur Hills
3. Patkai Bum
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Which river rises in the Indian Himalayas?
Which of the following rivers in India are western flowing?
1. Shetruniji river
2. Mahi river
3. Vaitarna river
4. Sharavati...
Boundary line between Germany and Poland
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Which of the following regions lie in the rain shadow zone of the South west monsoon?
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2. Madhya Pradesh
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Hygrometer is forÂ