Question

1. find the least number, which must be added to 1825 to make it a perfect square.
2. the five angles of a pentagon are in the ratio 5: 6: 7: 8: 10. find all the angles.
3. Find the value of √42.25.(using long division method)
4. How many 5’s are there in the prime factors of 13000?
5. Is 68600 a perfect cube? If not, find the smallest number by which 68600
must be multiplied to get a perfect cube.
6. The volume of a cubical box is 19.683 cu. cm. Find the length of each side
of the box.
7. a table marked at Rs 15,000 is available for Rs 14,400. Find the discount
given and the discount per cent.
8.Find selling price (SP) if a profit of 5% is made on a cycle of Rs 700 with
Rs 50 as overhead charges.
9.The area of a rhombus is 360 cm2 and one of the diagonals is 18 cm. Find
the other diagonal.
10.The length, breadth and height of a room are 5 m, 4 m and 3 m
respectively. Find the cost of white washing the walls of the room and the
ceiling at the rate of Rs 7.50 per m2
11.Plot each of the following points A (2, 3), B (5, 3), C (5, 5) and D (2, 5).
Join the points in order then write the figure obtained.

Answer 1

Answer:

This shows that 42

2

<1825.

Next perfect square is 43

2

=1849.

Hence, the number to be added is 43

2

−1825=1849−1825

=24.

Step-by-step explanation:

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