Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions

If A × 3 = 1A, then A = ______.

If B × B = AB, then either A = 2, B = 5 or A = ______, B = ______.

If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is ______.

A four-digit number abcd is divisible by 4 if ab is divisible by 4.

A three-digit number abc is divisible by 6 if c is an even number and a + b + c is a multiple of 3.

Number 7N + 1 will leave remainder 1 when divided by 7.

If a number a is divisible by b, then it must be divisible by each factor of b.

If AB × 4 = 192, then A + B = 7.

If AB + 7C = 102, where B ≠ 0, C ≠ 0, then A + B + C = 14.

If N ÷ 5 leaves remainder 3 and N ÷ 2 leaves remainder 0, then N ÷ 10 leaves remainder 4.

Find the least value that must be given to number a so that the number 91876a2 is divisible by 8.

A five-digit number AABAA is divisible by 33. Write all the numbers of this form.

Find the value of k where 31k2 is divisible by 6.

1y3y6 is divisible by 11. Find the value of y.

756x is a multiple of 11, find the value of x.

If 148101B095 is divisible by 33, find the value of B.

If 123123A4 is divisible by 11, find the value of A.

If 56 × 32y is divisible by 18, find the least value of y.

Illustrate, if possible the following with a rough diagram:

An open curve is made up entirely of line segments.

Simplify and express the result in power notation with positive exponent.

`(−3)^4 × (5/3)^4`