The temperature at 12 noon at a certain place was 18° above zero. If it decreases at the rate of 3° per hour at what time it would be 12° below zero?

The base of the parallelogram with area is 52 sq. cm and height 4 cm is

In an expression, we can add or subtract only

Vertically opposite angles are

Which of the following statements is ALWAYS TRUE when parallel lines are cut by a transversal

(-10)\(\times \) __ = 20

The additive inverse of − 37xyz is __________

If 40 workers can do a project work in 8 days, then_______ workers can do it in 4 days.

Draw a tetromino which passes symmetry __________

(-45) - (-8) = (-8) - (-45)

The sum of a positive integer and a negative integer is always a positive integer.

The smallest negative integer is −1.

To add two like terms, its coefficients can be added.

If 12 men can dig a pond in 8 days, then 18 men can digit in 6 days.

A lift is on the ground floor. If it goes 5 floors down and then moves up to 10 floors from there. Then in which floor will the lift be?

The product of two integers is −135. If one number is −15, Find the other integer.

If P = -15 and Q = 5 find (P-Q) + (P+Q)

A ground is in the shape of parallelogram. The height of the parallelogram is 14 metres and the corresponding base is 8 metres longer than its height. Find the cost of levelling the ground at the rate of Rs.15 per sq. m.

The area of a rhombus is 100 sq. cm and length of one of its diagonals is 8 cm. Find the length of the other diagonal

The area of the parallelogram ABCD is 1470 sq cm.
If AB = 49 cm and AD = 35 cm then, find the heights DF and BE

Identify the like terms among the following : 7x, 5y, −8x, 12y, 6z, z, −12x, −9y, 11z.

A motorbike requires 2 litres of petrol to cover 100 kilometers. How many litres of petrol will be required to cover 250 kilometers? (using unitary method)

Sita saved Rs. 225.00 and she has spent Rs. 400 on credit basis for the purchase of stationery. Find her due amount.

A fruit seller sold 5kg of mangoes at a profit of Rs. 15 per kg and 3kg of apples at a loss of Rs. 30 per kg. Find whether it is a profit or loss.

The base of the parallelogram is thrice its height. If the area is 192 sq. cm, find the base and height

A school bus starts with full strength of 60 students. It drops some students at the first bus stop. At the second bus stop, twice the number of students get down from the bus. 6 students get down at the third bus stop and the number of students remaining in the bus is only 3. How many students got down at the first stop?

A telephone exchange worker wants to give the telephone connection to Amutha's house. Shows all the possibilities of cable connections. Find the route which requires minimum cable?

In a competitive exam 4 marks are given for every correct answer and (-2) marks are given for every incorrect answer, kalaivizhi attended the exam and answered all the questions and scored 20 marks only even though she got 10 correct answers. How many questions did she answer incorrectly?

Simplify:100x + 99y – 98z + 10x + 10y + 10z – x – y + z

60 workers can spin a bale of cotton in 7 days. In how many days will 42 workers spin it?