Question

pls ans fully. according to marks​

Answer 1

Answer:

198 less than 689 is .(a) 591. (b) 590. (c) 491. (d) 887.

Answer 2

Answer:

19.(i)height=14cm,radius=20 cm

Volume of cylinder =2×22/7×radius×height

$2\pi \times 14 \times 21$

=1,848cm^2

(ii)No. of cube =Volume of cuboid/volume of cube

=60×54×30/6×6×6=583,200

20.