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On February 1, 2011, John purchased goods for Rs. 15,000 from Jimmi. He immediately made a payment of Rs 5,000 by cheque and for the balance accepted the bill of exchange drawn upon him by Jimmi. The bill of exchange was payable after 40 days. Five days before the maturity of the bill, Jimmi sent the same to his bank for collection. The bank duly presented the bill to John on the due date who met the bill. The bank informed the same to Jimmi.

Prepare John's account in the books of Jimmi and Jimmi's account in the books of John.

How many marbles are there in 5n boxes, each containing 3m marbles?

Question 92 (vi)

Factorise the following using the identity $a^2-b^2=(a+b)(a-b).$

$9x^2-1$

The numbers -3, 0, 8, are all ______.

Question 8 (ii)

If p = - 10, find the value of $p^2-2p-100$

At a cricket test match $\frac{2}{7}$ of the spectators were in a covered place while 15000 were in open. Find the total number of spectators.

What is the units digit of the cube of the number whose unit digit is 7?

What is the area of following parallelogram?

Find the speed.

The distance travelled is 240km at 4 hours.

Question 1 (i)

Find ${64}^{\frac{1}{2}}$ .

Find the sum of the interior angles of the followings:

(a) triangle

(b) quadrilateral

What is the value of $\frac{3^4}{3^6}$?

A wire attached to a vertical pole of height 20 m is 29 m long and has a stake attached to its other end. How far from the base of the pole should the stake be driven so that the wire will be taut?

After completely filling the jet pack, Tom flew to the apex of the structure and retrieved the chip. He left the structure and now he had to demolish the entire building. To do this, he had a remote – on which, he had to touch all the equal valued buttons, as given in the given options. The game would be over once the building is demolished and Tom would win.

Choose the option which Tom should touch to demolish the structure:

For the equation: $3z+\frac{7}{2}$ = $\frac{5}{2},$ '$z$' is equal to ____ ?

In figure, if QT is perpendicular to PR, $\angle TQR={40}^{\circ }$ and $\angle SPR={30}^{\circ }$ , find x and y.

Construct a triangle LMN, given LM = 5 cm, MN = 6.8 cm and ∠LMN = 70°. Write the steps of construction.

Two numbers are in the ratio 5:7. If their sum is 252, find the larger number.

If triangles $△ABCand△PQR$congruent to each other by ASA condition, which of the following will be equal?

Simplify $9z^2\times 10z^3$.

In the figure, AB is parallel to CD, if $\angle 1+\angle 3={240}^{\circ }$, find the value of $\angle 6$.

Choose the correct pair of complementary angles.

In the figure a pair of parallel lines are cut by a transversal. Find the value of a and b respectively.

Identify the appropriate pairs of proportional ratios.

1. 136

A 15 m long ladder reached a window 12 m high from the ground on placing it against a wall at a distance a. Find the distance of the foot of the ladder from the wall.

Identify the nets which can be used to make cubes (cut out copies
of the nets and try it):