Question

BRAIN EXERCISE
1. Represent 1.3 and 4.1 on the number line.

2. Find the length of a rectangle given that its perimeter is 880 m and breadth is 88 m.

1.3. Subtract the sum of 114.753 and 70.14 from the sum of 93.12 and 212.15.

4. In an examination, the grades achieved by 30 students of a class are given below.

Arrange these grades in a table using tally marks:

B, C, C, E, A, C, B, B, D, D, D, D, B, C, C, C, A, C, B, E, A, D, C, B, E, C, B, E, C, D

5. Write the 102.05 in expanded form:

6. A rectangular park is 30 metres long and 20 metres broad. A steel wire fence is put up

all around it. Find the cost of putting the fence at the rate of Rs.15 per metre.

7. The given bar graph represents the frequency of a, e, i, o, and u in a piece of English

writing.

(a) Which letter occurred the maximum number of times?

(b) Which letter occurred 40 times?

(c) Which letter occurred less than 30 times?

(d) Write down the five letters in the decreasing order of

frequencies.

Answer 1

Answer:

A. a

B. i

C. u

D. u, i, e, o, a