ICSE ICSE Class 8 - CISCE Question Bank Solutions

Fill in the blank:

If the upper and the lower limits of a class interval are 16 and 10; the class-interval is ……..

Fill in the blank:

If the lower and the upper limits of a class interval are 7.5 and 12.5; the class interval is ……..

For the pair of rational numbers, verify commutative property of addition of rational numbers:

`(-8)/7 "and" 5/14`

For the pair of rational numbers, verify commutative property of addition of rational numbers:

`5/9 "and" 5/-12`

For the pair of rational numbers, verify the commutative property of the addition of rational numbers:

`(-4)/5  "and"  (-13)/(-15)`

For the pair of rational numbers, verify commutative property of addition of rational numbers:

`2/(-5) "and" 11/(-15)`

For the pair of rational numbers, verify commutative property of addition of rational numbers:

`3  "and" (-2)/7`

For the pair of rational numbers, verify commutative property of addition of rational numbers:

`(-2) "and" 3/(-5)`

Draw a line AB = 6 cm. Mark a point P anywhere outside the line AB. Through point P, construct a line parallel to AB.

Draw a line MN = 5.8 cm. Locate a point A which is 4.5 cm from M and 5 cm from N. Through A draw a line parallel to line MN.

Draw a straight line AB = 6.5 cm. Draw another line which is parallel to AB at a distance of 2.8 cm from it.

Construct an angle PQR = 80°. Draw a line parallel to PQ at a distance of 3 cm from it and another line parallel to QR at a distance of 3.5 cm from it. Mark the point of intersection of these parallel lines as A.

Draw an angle ABC = 60°. Draw the bisector of it. Also, draw a line parallel to BC a distance of 2.5 cm from it.
Let this parallel line meet AB at point P and angle bisector at point Q. Measure the length of BP and PQ. Is BP = PQ?

Construct an angle ABC = 90°. Locate a point P which is 2.5 cm from AB and 3.2 cm from BC.

Find the quotient when 73 – 37 is divided by 9.

Find the quotient when 94 – 49 is divided by 9

Find which of the following numbers are divisible by 3:
(i) 261
(ii) 777
(iii) 6657
(iv) 2574

1×5 divisible by 3?

31×5 divisible by 3?

28×6 a multiple of 3?