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Questions and Answers
1.
Three centuries and four millenia= how many decades?
A.
43
B.
403
C.
4030
D.
40030
E.
430
F.
43000
G.
4300
H.
4003
Correct Answer E. 430
Explanation Certainly! To understand this calculation, let's break it down step by step:
1. Three Centuries: A century is 100 years. So, three centuries are 3 * 100 years, which equals 300 years. To convert years to decades, you divide by 10 because a decade is 10 years. Therefore, three centuries equal 300 years, and 300 years divided by 10 equals 30 decades.
2. Four Millennia: A millennium is 1,000 years. So, four millennia are 4 * 1,000 years, which equals 4,000 years. To convert years to decades, you divide by 10 because a decade is 10 years. Therefore, four millennia equal 4,000 years, and 4,000 years divided by 10 equals 400 decades.
Now, if you add the decades from both centuries and millennia:
30 decades (from three centuries) + 400 decades (from four millennia) = 430 decades in total.
So, three centuries and four millennia together equal 430 decades.
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2.
If yesterday was Friday and four days after tomorrow is March third, then the tenth of March is a Thursday.
A.
True
B.
False
Correct Answer A. True
Explanation IF yesterday was friday then tomorrow is sunday. Four days from sunday is thursday, which is 3rd march. So one week later, on 10th march, is also a thursday.
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3.
4 x 7 + 3 x 5 = ?
Correct Answer 43
Explanation The given expression involves multiplication and addition. According to the order of operations (PEMDAS/BODMAS), we first perform the multiplication operations from left to right. So, 4 x 7 equals 28 and 3 x 5 equals 15. Then, we add these two results together, which gives us 43. Therefore, the correct answer is 43.
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4.
Which one is π?
A.
3.131592456425173
B.
3.151593539401957
C.
3.141592653589793
D.
3.14959734598231
E.
3.24594602812279
F.
3.74235789643767
G.
3.148926472836451
Correct Answer C. 3.141592653589793
Explanation π is the symbol for pi, the letter from the greek alphabet. Most people round it out to 3.14.
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5.
What is the square rout of 2025?
A.
40
B.
45
C.
44
D.
42
E.
37
F.
46
G.
39
H.
43
I.
41
Correct Answer B. 45
Explanation 45 x 45 = 2025
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6.
5 at the power of 4 = 625
A.
True
B.
False
Correct Answer A. True
Explanation 5 x 5 x 5 x 5 = 625
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7.
What day is it today is yesterday was thursday and one week from now is twentieth of september?
A.
Friday the 12th of Sept.
B.
Friday the 13th of Sept.
C.
Friday the 14th of Sept.
D.
Friday the 15th of Sept.
E.
Friday the 16th of Sept.
F.
Friday the 17th of Sept.
G.
Friday the 18th of Sept.
H.
Friday the 19th of Sept.
Correct Answer B. Friday the 13th of Sept.
Explanation The question states that yesterday was Thursday and one week from now is the twentieth of September. If yesterday was Thursday, then today is Friday. And if one week from now is the twentieth of September, then the current date is the thirteenth of September. Therefore, the correct answer is Friday the 13th of September.
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8.
Which one is divideable by 5 into an even number?
A.
1247
B.
9247
C.
5671
D.
4928
E.
6060
F.
4289
G.
3535
H.
6793
Correct Answer E. 6060
Explanation 6060 is the only number in the list that is divisible by 5 and also results in an even number when divided by 5.
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9.
What is the cubic route of 216
Correct Answer 6
Explanation 6 x 6 x 6 = 216
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10.
Select the numbers with an even square root.
A.
729
B.
4
C.
36
D.
625
E.
25
F.
144
G.
256
H.
3969
I.
576
Correct Answer(s) B. 4 C. 36 F. 144 G. 256 I. 576
Explanation The numbers with an even square root are 4, 36, 144, 256, and 576. The square root of 4 is 2, the square root of 36 is 6, the square root of 144 is 12, the square root of 256 is 16, and the square root of 576 is 24. All of these square roots are even numbers, so they are the correct answers.
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