A. 864 cm2
B. 648 cm2
C. 486 cm2
D. 468 cm2
Explanation:
a3 = 1728 => a = 12
6a2 = 6 * 12 * 12 = 864
A. 10
B. 100
C. 1000
D. 10,000
A. 20%
B. 28%
C. 33 1/3 %
D. 35 2/7 %
Explanation:
The total number of mangoes bought by the shopkeeper be 12.
If he buys 4 a rupee, his CP = 3
He selling at 3 a rupee, his SP = 4
Profit = SP – CP = 4 – 3 = 1
Profit Percent = 1/3 * 100 = 33 1/3 %
A. 12 π cm
B. 16 π cm
C. 24 π cm
D. 32 π cm
Radius of larger circle
= 2×196−−−√=28cm
Circumference of smaller circle
= (37×28)cm=12cm
Circumference of smaller circle
= 2πr=2π×12= 24πcm
A. 344
B. 355
C. 366
D. 377
A. 8
B. 6
C. 4
D. 2
Work done by P in 1 day = 1/18
Work done by Q in 1 day = 1/15
Work done by Q in 10 days = 10/15 = 2/3
Remaining work = 1 – 2/3 = 1/3
Number of days in which P can finish the remaining work = (1/3) / (1/18) = 6
A. 12
B. 80
C. 59
D. 24