A. 4
B. 60
C. 1.75
D. None of these
Explanation:
[(7 * 9) + (2 * 12) + 3]/[(12 * 3) + (81/9)] = (63 + 24 + 3)/(36 + 9) = 90/45 = 2
A. 150 1/3
B. 150 2/3
C. 149 2/3
D. 149 1/3
Explanation:
6 2/3 * 9 3/5 * 2 1/3 + 1 1/3 = 20/3 * 48/5 * 7/3 + 4/3
= 448/3 + 4/3 = 452/3 = 150 2/3
A. 1500
B. 1750
C. 9000
D. 7500
Explanation:
9000 + 16 2/3 % of ? = 10500 => 9000 + 50/3 % of ? = 10500
50/(3 * 100) of ? = 1500 => ? = 1500 * 6
? = 9000
A. 60
B. 120
C. 13
D. 61
Explanation:
60 + 5 * 12 / (180/3) = 60 + 5 * 12 / (60)
= 60 + (5 * 12)/60 = 60 + 1 = 61.
A. 0.0256
B. 0.00256
C. 0.000256
D. 0.0000256
Explanation:
4 * 0.4 * 0.04 * 0.004 => 4 * (4/10) * (4/100) * (4/1000) = (256/1000000) = 0.000256
A. 0.228
B. 0.456
C. 0.684
D. 1.0
Explanation:
(0.456 * 0.456 – 0.228 * 0.228) / (0.456 + 0.228)
This is the form of 7x/60 = 7 = a – b = 0.466 – 0.228 = 0.228
A. 1
B. 2
C. 3
D. 5
Explanation:
8/15 * 3/4 * 3 ?/4 = 1.5
=> 3 ?/4 = 3/2 * 5/2 = 15/4 = 3 3/4
=> ? = 3.
A. 2
B. 3
C. 4
D. 5
Explanation:
3648.24 + 364.824 / ? – 36.4824 = 3794.1696
364.824/? = 3794.1696 – 3648.24 + 36.4824
Thus ? = 364.824 / 182.412 = 2
A. 0.0024
B. 0.024
C. 0.24
D. 0.00024
Explanation:
24 – [2.4 – {0.24 * 2 – (0.024 – ?)}] = 22.0584
24 – [2.4 – {0.48 – (0.024 – ?)}] = 22.0584
24 – [2.4 – 0.48 + 0.024 – ?] = 22.0584
24 – 2.4 + 0.48 – 0.024 + ? = 22.0584
? = 22.0584 – 24.48 + 2.424
? = 24.2824 – 24.48 => ? = 0.0024
A. 12
B. 14
C. 16
D. 18
Explanation:
80 / 12.5 * 2.5 = ?
=> ? = 6.4 * 2.5 = 16