The multiplicative identity for rational number is

For three rational numbers a, b and c, which of the following is correct?

The solution of $$\frac{x+7}{3}$$ - $$\frac{3x-2}{5}$$ = 3 is

The value of x, for which $$\frac{2x+3}{3x+2}$$ = $$\frac{-8}{3}$$ , is

if two adjacent angles of a parallelogram are (5x-5)⁰ and (10x+35)⁰, then the ratio if these angles is

Cards are marked with number 1 to 25 are placed in the box and mixed thoroughly. On card is drawn at random from the box. Answer the following question.

What is the probability of getting a number 5 ?

Cards are marked with number 1 to 25 are placed in the box and mixed thoroughly. On card is drawn at random from the box. Answer the following question.

What is the probability of getting a number divisible by 7?

The largest number of 5-digit which is a perfect square, is

The least number that must be added to 1500, so as to get a perfect square ?

The least number to be subtracted from 549168 in order to make it a perfect square ?

Is 441 a perfect square ?

Is 2644 a perfect square ?

By what least number, 675 be multiplied to obtain a number, which is a perfect cube ?

Each prime factor appears .......... times in its cube.

The cube of an odd number is always an ......... number.

A ratio is said to be in the simplest form, if the first and second terms have no common factor, other than 1.

To express a per cent as a ratio, we drop the per cent sign and form a ratio with 100 as the first term and number as the second term.

To convert percentage into fraction, we multiply the number by 100.

Sum of 5x + 3y and -(-4x + 2y ) is

The number of coins having diameter 1.5 cm and 0.2 cm thick to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm, is

A truck needs 54 L of diesel for covering a distance 297 km. The diesel required by the truck to cover a distance of 550 km, is

If the distance travelled by a rickshaw in one hour is 10 km, then the distance travelled by the same rickshaw with the same speed in one minute, is

A wheel rotates 10 times every minute and moves 20 cm during each rotation. How much distance ( in cm ) does the wheel move in 2 hours ?

The common factor of 3ab and 2cd is