Practice Question and Answer
8 Q: Sri Lanka is situated off the southeast coast of India across the Palk Strait and Gulf of _________.
1618 05f4ca37a081699374e7fef95
5f4ca37a081699374e7fef95- 1Kutchfalse
- 2Mannartrue
- 3Khabhatfalse
- 4Cambayfalse
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Answer : 2. "Mannar"
Explanation :
1. Palk Strait is a strait between the Indian state of Tamil Nadu and the Mannar district of the Northern Province of Sri Lanka.
2. This strait connects the Bay of Bengal to the Palk Bay in the north-east and then to the Gulf of Mannar in the south-west.
3. The strait that separates India and Sri Lanka is the Palak Strait.
Q: The value of $$ \sqrt { 2^4} \ + \ ^{3}\sqrt {64} \ + \ ^4\sqrt { 2^8} \ $$ is :
1618 05db02fe1c386724da53b204a
5db02fe1c386724da53b204a- 112true
- 216false
- 318false
- 424false
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Answer : 1. "12"
Q: Elements of d-block are called–
1618 05dc3c6f0ee5d9e2ea2b73237
5dc3c6f0ee5d9e2ea2b73237- 1Transition elementtrue
- 2Transuranic elementsfalse
- 3Metalsfalse
- 4Metalloidsfalse
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Answer : 1. "Transition element "
Q: A person swims a distance of 28 km. in the direction of stream in 5 hours and a distance of 13 km. in 5 hours against the stream. What is the velocity of the stream?
1618 06099114ff738a51c29aa3141
6099114ff738a51c29aa3141- 12.5 km./hr.false
- 21.8 km./hr.false
- 32 km./hr.false
- 41.5 km./hr.true
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Answer : 4. "1.5 km./hr."
Q: The average salinity of sea water is
1618 05edefa608c4c964f73d37fc0
5edefa608c4c964f73d37fc0- 12%false
- 23%false
- 33.5%true
- 42.5%false
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Answer : 3. "3.5%"
Explanation :
The average salinity of sea water is 3.5% or 35 parts per thousand. In other words, for every 1 litre of sea water there is 35 grams of dissolved salts (NaCl) .
Q: How many such pairs of letters are there in the word ‘OBLIGATION’ each of which has as many letters between them in the word as they have between them in the English alphabet?
1618 0605d9d414a4b98085c064e73
605d9d414a4b98085c064e73- 1Onetrue
- 2Twofalse
- 3Threefalse
- 4More than threefalse
- 5Nonefalse
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Answer : 1. "One "
Q: 5 + 2 x 10/2 = ? 1618 05b5cc6a6e4d2b4197774cd33
5b5cc6a6e4d2b4197774cd33- 115true
- 235false
- 310false
- 420false
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Answer : 1. "15"
Explanation :
Answer: A) 15 Explanation: Using BODMAS Rule, First solve division, mutiplication and Addition So here 10/2 = 5 Then 2 x 5 = 10 Now, 5 + 10 = 15. Hence, 5 + 2 x 10/2 = 15.
Q: If 25% of a number is subtracted from a second number, the second number reduces to its four-sixth. What is the ratio of the first number to the second number ? 1618 05b5cc6dee4d2b4197774ea46
5b5cc6dee4d2b4197774ea46- 14:3true
- 22:3false
- 33:2false
- 45:3false
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Answer : 1. "4:3"
Explanation :
Answer: A) 4:3 Explanation: Let the numbers be p & q q-p/4 = 4q/6 => q-4q/6 = p/4 => 2q/6 = p/4 => p/q = 4/3