A. 196
B. 630
C. 1260
D. 2520
Explanation:
L.C.M of 12, 18, 21, 30
= 2 * 3 * 2 * 3 * 7 * 5 = 1260
Required number = 1260/2 = 630.
A. 14
B. 20
C. 26
D. 28
Let the number be x. Then, 15x – x = 196
14x = 196 x = 14.
A. 1120 m2
B. 1250 m2
C. 1210 m2
D. 1200 m2
A. 1/20
B. 3/10
C. 1/5
D. 4/5
Explanation:
Six persons can be arranged in a row in 6! ways. Treat the three persons to sit together as one unit then there four persons and they can be arranged in 4! ways. Again three persons can be arranged among them selves in 3! ways. Favourable outcomes = 3!4! Required probability = 3!4!/6! = 1/5
A. Rs.3240
B. Rs.3600
C. Rs.3800
D. Rs.4200
Explanation:
15:25 => 3:5
9600*10/100 = 960
9600 – 960 = 8640
8640*3/8 = 3240 + 960
= 4200
A. 14%
B. 16%
C. 18%
D. 22%
E. None of these
Explanation:
Total CP = Rs. 42000 + Rs. 13000 = Rs. 55000 and SP = Rs. 64900
Profit(%) = (64900 – 55000)/55000 * 100 = 18%
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