MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 11

EASY

7th ICSE

IMPORTANT

Earn 100

Find the cost of fencing a square garden of side $250 m$ at the rate of $₹ 20$ per metre.

Important Questions on Revision Test - III

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 12

Solve

(\frac{3}{2} \times \frac{6}{15}) - (\frac{2}{3} \times \frac{- 5}{6})

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 13

Construct a triangle

P Q R

, given that

P Q = 3 cm, Q R = 5.5 cm

and

∠ P Q R = 60^{o}

.

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 14

A ribbon is cut into

3

pieces in the ratio

3 : 2 : 7

. If the total length of the ribbon is

24 m

, find the length of each piece.

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 15

A lunch interval of half an hour is

5 %

of total office hours. Calculate the total working hours.

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 16

Construct a triangle

A B C

∠ B = 70 °

, given that

\vec{A B} = 5 cm

and

\vec{B C} = 3 cm

.

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 17

From a square cardboard, a circle of biggest area was cut out. If the area of circle is

154 {cm}^{2}

, calculate the original area of cardboard.

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 18

Find a rational number which in standard form equals to

\frac{4}{5}

and the sum of its numerator and denominator is

27

.

EASY

7th ICSE

IMPORTANT

MENTAL MATH>Chapter 22 - Revision Test - III>Revision Test - III>Q 19

The minute hand of circular clock is

15 cm

long. How far does the tip of minute hand move in

1 hr

?

(π = 3.14)