A. 18
B. 22
C. 24
D. 26
Explanation:
?2 = 3/7 * 4/9 * 2/5 * 7560
=> ?2 = 576 = 242
? = 24
A. Rs. 1851
B. Rs. 1941
C. Rs. 1951
D. Rs. 1961
Explanation:
P = Rs. 15625, n = 9 months = 3 quarters, R = 16% p.a. per quarter.
Amount = [15625 * (1 + 4/100)3]
= (15625 * 26/25 * 26/25 * 26/25) = Rs. 17576 C.I. = 17576 – 15625 = Rs. 1951.
A. 80%
B. 20%
C. 40%
D. 50%
E. None of these
Explanation:
Number of students passed = 60% of 140 = 60/100 * 140 = 84
Number of students failed = 140 – 84 = 56.
Required percentage = 28/56 * 100 = 50%.
A. 48
B. 42
C. 60
D. 70
7x+8x=90 15x=90 x=6 Number of boys=7x=42
A. 150
B. 140
C. 130
D. 160
Explanation:
(85/100) * X + 24 = X
3X = 480
X = 160
A. 5
B. 6
C. 4
D. 10
A. 60 gallons
B. 100 gallons
C. 120 gallons
D. 180 gallons
Explanation:
Work done by the waste pipe in 1 minute = 1/15 – (1/20 + 1/24) = – 1/40
Volume of 1/40 part = 3 gallons
Volume of whole = 3 * 40 = 120 gallons.