Practice Question and Answer
8 Q: Some boys are sitting in a row facing north. Ganesh is 7th on the left of Akshit. Vinay, who is 20th in the row from left, is 7th on the right of Akshit. If Kamal, who is third on the right of Ganesh , Kamal is 20th in the row from right, how many boys are there in the row?
2178 160bdffd4d9924b52b3c6c9b1
60bdffd4d9924b52b3c6c9b1- 126false
- 228true
- 331false
- 430false
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Answer : 2. "28"
Q: If p=99, then the value of p(p2+3p+3) will be
2178 05f1fe92d0540cb2ffb052cfa
5f1fe92d0540cb2ffb052cfa- 11000001false
- 2999998false
- 3999999true
- 41000000false
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Answer : 3. "999999"
Q: What is the systematic name of Mg(NO3)2? 2178 05b5cc6a2e4d2b4197774cb29
5b5cc6a2e4d2b4197774cb29- 1Manganese nitritefalse
- 2Magnesium nitritefalse
- 3Magnesium nitratetrue
- 4Manganese nitratefalse
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Answer : 3. "Magnesium nitrate"
Explanation :
Answer: C) Magnesium nitrate Explanation: Mg(NO3)2 is Magnesium nitrate. In the case of Mg(NO3)2, the metal in the compound is magnesium (Mg), and the non-metal here is called the nitrate ion (NO3). This makes the name of the compound simply magnesium nitrate.
Q: The term facultative anaerobe refers to an organism that 2178 05b5cc633e4d2b4197774b9d7
5b5cc633e4d2b4197774b9d7- 1Uses oxygen or grows without oxygen.true
- 2Requires less oxygen than is present in air.false
- 3Prefers to grow without oxygen.false
- 4Is killed by oxygen.false
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Answer : 1. "Uses oxygen or grows without oxygen."
Explanation :
Answer: A) Uses oxygen or grows without oxygen. Explanation: The term facultative anaerobe refers to an organism that which uses oxygen when it is present or grows without oxygen when it is not there.
Q: On which of the following rivers is Nagarjuna Sagar Dam located?
2178 05f6c2a87f9079a64e3b605aa
5f6c2a87f9079a64e3b605aa- 1Godavarifalse
- 2Krishnatrue
- 3Kaverifalse
- 4Mahanadifalse
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Answer : 2. "Krishna"
Q: In the making of jewels, gold is usually mixed with 2178 05b5cc7efe4d2b41977751d7b
5b5cc7efe4d2b41977751d7b- 1zincfalse
- 2tinfalse
- 3coppertrue
- 4aluminiumfalse
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Answer : 3. "copper"
Explanation :
Answer: C) copper Explanation: In making jewels, gold is usually mixed with copper to make it little hard.
Q: In how many different ways can the letters of the word 'DETAIL' be arranged such that the vowels must occupy only the odd positions? 2178 05c2c47d4aea81766da94c907
5c2c47d4aea81766da94c907- 136true
- 218false
- 354false
- 472false
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Answer : 1. "36"
Q: The element common to all acids is 2178 05edeface2fce215c8ec3bc2f
5edeface2fce215c8ec3bc2f- 1oxygenfalse
- 2hydrogentrue
- 3carbonfalse
- 4sulphurfalse
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