Mental Maths Student Questions

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Showing: All Grades / Mental Maths (215 questions)

by RAJANYA MONDAL · Class 7

What is the value of the last two digits of 2^20?

Mental Maths Playing with Numbers 0 0 answers 0%
by RAJANYA MONDAL · Class 7

Factorize x^2-2x+1-x^2+2xy-y^2

Mental Maths Algebra 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What is the value of 111 111 1 x 111 111 1 ?

Mental Maths Playing with Numbers 0 0 answers 0%
by RAJANYA MONDAL · Class 7

If the hypoteneus of a right-angled triangle is 5cm, what is its area?

Mental Maths Mensuration 0 1 answers 0%
by RAJANYA MONDAL · Class 7

What is the value of 222×11?

Mental Maths Playing with Numbers 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What is the square root of 961?

Mental Maths Square and Square Roots 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

What is algebra??????????????????????????????????????

Mental Maths Algebra 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What is the value of 13454 x 11?

Mental Maths Playing with Numbers 0 0 answers 0%
by RAJANYA MONDAL · Class 7

When the digits of a two-digit number are reversed and the reversed number is added to the original number, by which number is the sum always divisible?

Mental Maths Algebra 0 0 answers 0%
by RAJANYA MONDAL · Class 7

When 17 is added to a number, the result equals 60 times its reciprocal. What is the larger of the two possible numbers?

Mental Maths Algebra 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What is the cube root of a^3+3a^2b+3ab^2+b^3?

Mental Maths Cube and Cube Roots 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What is the cube root of 512?

Mental Maths Cube and Cube Roots 0 0 answers 0%
by RAJANYA MONDAL · Class 7

(x-a)(x-b)(x-c) ......... (x-z). If x, a,b ,c.....z are all distinct, consecutive integers, what is the value of this entire multiplication?

Mental Maths Playing with Numbers 0 0 answers 0%
by RAJANYA MONDAL · Class 7

A square sheet of paper is folded exactly in half to form a rectangle. The perimeter of this new rectangle is 24 cm. What was the area of the original square sheet of paper?

Mental Maths Geometry 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What is the value of 1111 x 1111

Mental Maths Square and Square Roots 0 0 answers 0%
by RAJANYA MONDAL · Class 7

An exterior angle of a triangle is 120°. One opposite interior angle is 45°. Find the other opposite interior angle.

Mental Maths Geometry 0 0 answers 0%
by RAJANYA MONDAL · Class 7

Two vertically opposite angles are (3x + 10)° and (5x − 30)°. Find x.

Mental Maths Geometry 0 0 answers 0%
by RAJANYA MONDAL · Class 7

Two angles form a linear pair. One angle is 65°. What is the other angle?

Mental Maths Geometry 0 0 answers 0%
by RAJANYA MONDAL · Class 7

What is the whole square of x+2?

Mental Maths Algebra 0 0 answers 0%
by RAJANYA MONDAL · Class 7

Find the value of x when 2^x =1024.

Mental Maths Square and Square Roots 0 0 answers 0%

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