A. 0.03375
B. 0.3375
C. 3.375
D. 33.75
Explanation:
(25/100) * (30/100) * (45/100)
1/4 * 3/10 * 9/20
27/800 = 0.03375
A. 600
B. 700
C. 800
D. 900
Explanation:
(40/100) * X – (20/100) * 650 = 190
2/5 X = 320
X = 800
A. 4
B. 6
C. 9
D. 12
Explanation:
(80/100) * 40 – (4/5) * 25
32 – 20 = 12
A. 18
B. 13
C. 15
D. 20
Explanation:
(60/100) * 50 – (40/100) * 30
30 – 12 = 18
A. 1400
B. 1300
C. 1200
D. 1100
Explanation:
CP* (76/100) = 912
CP= 12 * 100 => CP = 1200
A. 16%
B. 16 1/3 %
C. 16 2/3 %
D. 16 3/5 %
Explanation:
X=100 y=120
120——20
100——-? => 16 2/3%
A. 25%
B. 50%
C. 75%
D. 33%
Explanation:
(?% /100) * 120 = 90
? = 75%
A. 19
B. 20
C. 21
D. 22
let her age be x
after 1 year her age will be x+1=2(x-10)
x+1=2x-20
1+20=2x-x
x=21 years
A. 8:15:30
B. 5:18:28
C. 4:5:6
D. 2:3:5
P1:P2:P3 = (2*4):(3*5):(5*6)
= 8 : 15 : 30
A. 160
B. 200
C. 250
D. 240
Let the number of 50p, 1 rupee and 2 rupee coins be 2x,5x and 8x. 0.5*(2x)+5x+2*8x = 352 22x=352 x=16 Total no. of coins
= 2x+5x+8x
= 15x = 240