Question

(i) The value of √80 x √20 is __________.

(ii) The volume of a cube of side 1.5m is ________.

(iii) The usual form of 10 x 5 + 6 is __________.

(iv) (?−?)_________=?2−2??+?2

(v) Common factor of 17???, 34??2 ??? 51?2? is __________.

(vi) There are a total of __________ square numbers up to 100.

(vii) The sum of the interior angles of a pentagon is ________.

(viii) The probability of picking an odd number from 1 to 10 is _________.

(ix) The area of a rhombus whose diagonals are of lengths 10 cm and 8.2 cm is

__________.

(x) Compound Interest is given by ___________.​

Answer 1

1. 40
2. 3.375 cm^3
3. 56
4. ?= 0
5. 0
6. 10
7. 540°
8. 1/2
9. 41 cm^2
10. Principal, Rate and time