Given that
574.6 = 23.97,
5746 = 75.8 then
0.00005746 = ?
A. 0.002394
B. 0.0002397
C. 0.0007580
D. 0.00758
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If a = x + y x and b = x − y y , then a + b ab is equal to = ?
A. x 2 + y 2 x y
B. x y x 2 + y 2
C. x + y x
D. ( x + y y ) 2
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If b a = 3 1 , c b = 2 , d c = 2 1 , e d = 3 and f e = 4 1 , then what is the value of d e f ab c = ?
A. 4 1
B. 4 3
C. 8 3
D. 4 27
E. 8 27
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If n m = 3 4 and t r = 14 9 , then the value of 4 n t − 7 m r 3 m r − n t is = ?
A. − 5 2 1
B. − 14 11
C. − 1 4 1
D. 14 11
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( 0.798 ) 2 + 0.404 × 0.798 + ( 0.202 ) 2 + 1 = ? Select an option to see the answer and solution.
2 + 3 + 3 + 3 2 2 2 × 0.39 2 is simplified to = ?
A. 3 1
B. 2
C. 6
D. None of these
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The simplified value of [ ( 0.111 ) 3 + ( 0.222 ) 3 − ( 0.333 ) 3 + ( 0.333 ) 2 ( 0.222 ) ] 3 = ?
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If a + b 1 = 1 and b + c 1 = 1 , then c + a 1 is equal to = ?
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If ( 2 x + y + z ) x = ( x + 2 y + z ) y = ( x + y + 2 z ) z = a , then find a, If x + y + z ≠ 0
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If b + c a = c + a b = a + b c = k, then find the value of k is
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0.0009 0.25 × 0.36 0.09 is equal to ?
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The value of
32 -
128 +
50 correct to 3 places of decimal is
32 -
128 +
50 = ?
A. 1.732
B. 1.141
C. 1.414
D. 1.441
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If a + b + c = 0, find the value of ( a 2 − b c ) a 2 + ( b 2 − c a ) b 2 + ( c 2 − ab ) c 2 = ?
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a 2 + b 2 + 2 ab − c 2 a 2 − b 2 − 2 b c − c 2 is equivalent to = ?
A. a + b + c a − b + c
B. a − b + c a − b − c
C. a + b − c a − b − c
D. a − b + c a + b + c
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If a + b + c = 2s, then the value of (s - a)2 + (s - b)2 + (s - c)2 + s2 will be-
A. s2 - a2 - b2 - c2
B. s2 + a2 + b2 + c2
C. a2 + b2 + c2
D. 4s2 - a2 - b2 - c2
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The value of
400 +
0.0400 +
0.000004 = ?
A. 0.222
B. 20.22
C. 20.202
D. 2.022
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If
3 = 1 .7321, then the value of
192 − 2 1 48 − 75 , correct to 3 place of decimal, is = ?
A. 8.661
B. 4.331
C. 1.732
D. -1.732
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The number, whose square is equal to the difference of the squares of 75.15 and 60.12, is = ?
A. 46.09
B. 48.09
C. 45.09
D. 47.09
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The value of ( a 2 − b 2 ) ( a + b ) 2 is = ?
A. a + b ab
B. a − b 2 ab
C. a − b a + b
D. None of these
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32 shirt pieces of 120cm each can be cut from a reel of cloth. After cutting these pieces 80 cm of cloth remains. What is the length of reel of cloth in meters?
A. 38.70 meters
B. 39.20 meters
C. 3870 meters
D. 3920 meters
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