A. 150
B. 200
C. 225
D. 300
Explanation:
75 + 75 % of x = x
or x – 3/4 x = 75
Or 1/4 x = 75
X = (75 × 4) =300
A. 19 1/7 min
B. 15 1/7 min
C. 17 1/7 min
D. 7 1/7 min
Explanation:
1/20 + 1/30 – 1/40 = 7/120
120/7 = 17 1/7
A. 3 kmph
B. 1.5 kmph
C. 13 kmph
D. 6.5 kmph
Explanation:
72 — 9 DS = 8
? —- 1
45 —- 9 US = 5
? —- 1 S = ?
S = (8 – 5)/2 = 1.5
A. 1/4
B. 1/2
C. 3/4
D. 3/5
The number of exhaustive outcomes is 36.
Let E be the event of getting an even number on one die and an odd number on the other. Let the event of getting either both even or both odd then = 18/36 = 1/2
P(E) = 1 – 1/2 = 1/2.
A. 12 cm
B. 10 cm
C. 18 cm
D. 24 cm
30 * 20 * x = (8 * 5.5 * 1.5)/2
A. 0.03
B. 0.9
C. 0.18
D. 0.108
Explanation:
Given numbers are 1.08, 0.36 and 0.90.
H.C.F of 108, 36 and 90 is 18.
H.C.F of a given numbers = 0.18
A. 1.227m
B. 1.225m
C. 1.233m
D. 1.229m