146 .
The volume of a cube is 1000 \$cm^3\$.
Find its total surface area ?
A.200 \$cm^2\$
B. 400 \$cm^2\$
C. 600 \$cm^2\$
D.800 \$cm^2\$
E.1000 \$cm^2\$
147 .
A student divided a number by 2/3 when he required to multiply by 3/2.
Calculate the percentage of error in his result.
A.0 %
B. 0.25 %
C. 0.5 %
D.0.75 %
E.1 %
148 .
The banker \${'}\$s discount on Rs. 1800 at 12% per annum is equal to the true discount on Rs. 1872 for the same time at the same rate. Find the time.
A.2 months
B. 4 months
C. 6 months
D.8 months
E.10 months
149 .
A dishonest shopkeeper professes to sell pulses at the cost price,
but he uses a false weight of 950 gm for a kg. His gain is : ______
A.5.2 %
B. 5.3 %
C. 5.4 %
D.5.5 %
E.5.6 %