Practice Question and Answer
8 Q: Which of these countries got Independence from United Kingdom?
1638 062e9fbf46f92bf0da7cdbdf9
62e9fbf46f92bf0da7cdbdf9- 1Uzbekistanfalse
- 2Pakistantrue
- 3Venezuelafalse
- 4South Koreafalse
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Answer : 2. "Pakistan"
Q: How many iron rods, each of length 7 mts and diameter 2 cms can be made out of 0.88 cubic metre of iron ? 1638 05b5cc77fe4d2b419777501c4
5b5cc77fe4d2b419777501c4- 1500false
- 2600false
- 3400true
- 4300false
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Answer : 3. "400"
Explanation :
Answer: C) 400 Explanation: Given length of iron rod =7 mts and and diameter of rod = 2 cms => r = 1/100 mts Therefore, Volume of one rod = πr2h cu. m = 227×11002×7cu. m = 115000 cu. m Given volume of iron = 0.88 cu. m Therefore, Number of rods = 0.88×500011 = 400.
Q: The length of two chords AB and AC of a circle are 8 cm and 6 cm and ∠BAC=90º, then the radius of circle is
1638 05d7f2165fb24f90208637eb7
5d7f2165fb24f90208637eb7- 125 cmfalse
- 220 cmfalse
- 34 cmfalse
- 45 cmtrue
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Answer : 4. "5 cm"
Q: Direction: In the following question, sentences are given with blanks to be filled in with appropriate word(s). Four alternatives are suggested questions. Choose the correct alternative out of the four and indicate your choice for the correct answer.
The stewardess showed the passenger________
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600564c07a0c6e1017dc237cThe stewardess showed the passenger________
- 1when to start travellingfalse
- 2where to land the planefalse
- 3how to fasten the seat belttrue
- 4how to judge the altitude of the planefalse
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Answer : 3. "how to fasten the seat belt"
Q: On which principle of heredity of the mandal is based?
1638 05e37db0b72f03a106da6cf63
5e37db0b72f03a106da6cf63- 1somatic regenerationfalse
- 2asexual reproductionfalse
- 3sexual reproductiontrue
- 4All of the abovefalse
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Answer : 3. "sexual reproduction"
Q: If a and b are odd numbers, then which of the following is even?
1638 05e8ffcfdf681623fa5603d62
5e8ffcfdf681623fa5603d62- 1a + b + abfalse
- 2a + b - 1false
- 3a + b + 1false
- 4a + b + 2abtrue
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Answer : 4. "a + b + 2ab "
Q: What must be added to two numbers that are in the ratio of 3:4, so that they become in the ratio 4:5?
1638 05f4f60ce7e85226ee74bc441
5f4f60ce7e85226ee74bc441- 10.5false
- 21true
- 32false
- 44false
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Answer : 2. "1"
Q: In the making of jewels, gold is usually mixed with 1638 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.