Maths Practice Question and Answer
8 Q: The median of a set of 11 distinct observations is 73.2. If each of the largest five observations of the set is increased by 3, then the median of the new set:
693 064b4f4f236fc1bf576504f73
64b4f4f236fc1bf576504f73- 1is 3 times that of the original setfalse
- 2is increased by 3false
- 3remains the same as that of the original settrue
- 4is decreased by 3false
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Answer : 3. "remains the same as that of the original set"
Q: The angle of elevation of the top of a tower from the top of a building whose height is 680 m is 45° and the angle of elevation of the top of same tower from the foot of the same building is 60°. What is the height (in m) of the tower?
608 064b4f48636fc1bf576504f42
64b4f48636fc1bf576504f42- 1340(3 + √3)true
- 2310(3 - √3)false
- 3310(3 + √3)false
- 4340(3 - √3)false
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Answer : 1. "340(3 + √3)"
Q: A person can hit a target 5 times out of 8 shots. If he fires 10 shots, what is the probability that he will the target twice?
971 064b4f3e1e154aff5337290bd
64b4f3e1e154aff5337290bd- 1false
- 2
- 3
- 4
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Answer : 4. " "
Q: The largest three-digit number that gives the same remainder 2 when divided by 3, 5 and 9 is ________.
729 064b4f33836fc1bf576504b82
64b4f33836fc1bf576504b82- 1999false
- 2984false
- 3998false
- 4992true
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Answer : 4. "992"
Q: Find the average of the following sets of numbers.
693, 456, 876, 532, 934, 691, 596, 398, 682
1777 064b4f2b0568e7ff594af0d04
64b4f2b0568e7ff594af0d04- 1550.50false
- 2750.80false
- 3650.89true
- 4725.90false
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Answer : 3. "650.89"
Q: From the top of an upright pole 17.75 m high, the angle of elevation of the top of an upright tower was 60⁰. If the tower was 57.75 m tall, how far away (in m) from the foot of the pole was the foot of the tower?
1343 064ad3a308c254a4ceae7a678
64ad3a308c254a4ceae7a678- 1false
- 2
- 3false
- 4true
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Answer : 4. " "
Q: What is the simplified form the expression (1+x)(1+x2)(1+x4)(1+x8)(1-x)?
543 064ad3686b3b647c4eaaae23e
64ad3686b3b647c4eaaae23e- 1false
1-x40
- 2false
1-x32
- 3true
1-x16
- 4false
1-x42
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Answer : 3. "1-x16
"
Q: The breadth ‘b’ of a room is twice its height and half of its length. Find the length of the longest diagonal of the room.
510 064ad353965d2524cbf260f3e
64ad353965d2524cbf260f3e- 1false
- 2false
- 3true
- 4
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