A. 9
B. 3
C. 0.3
D. 0.03
Explanation:
0.003 * ? * 0.0003 = 0.00000027
3/1000 * ? * 3/10000 = 3/1000 * 3/1000 * 3/100
? = 3/10 = 0.3
A. 120 cm3
B. 40 cm3
C. 50 cm3
D. 60 cm3
πr2 = 30 h = 6
1/3 * 30 * 6 = 60
A. 35
B. 37
C. 42
D. 30
Explanation:
The number of liters in each can = HCF of 80, 144 and 368 = 16 liters.
Number of cans of Maaza = 80/16 = 5
Number of cans of Pepsi = 144/16 = 9
Number of cans of Sprite = 368/16 = 23
The total number of cans required = 5 + 9 + 23 = 37 cans.
A. 17/4
B. 33/4
C. 65/4
D. 129/4
Explanation:
2 + [2 + {2 + (2 + (2 + 23)}]
= 2 + 6 + 1/4 = 33/4
A. 35 Rs.
B. 40 Rs.
C. 45 Rs.
D. None of these
Ratio of time taken by A and B= 10 : 15 = 2 : 3
Ratio of work done in the same time = 3:2, So, the money is to be divided among A and B in the ratio 3 : 2
A’s = Rs. [75×3/5] = Rs.45.
A. 7
B. 7.5
C. 8
D. 9
Explanation:
Marked price = Rs. 300
C.P. = 100/120 * 300 = Rs. 250
Sale price = 90% of Rs. 300 = Rs. 270
Required gain % = 20/250 * 100 = 8%.
A. 32256
B. 24000
C. 24936
D. 25640
X * (96/100) = 23040
X = 240 * 100
X = 24000