SSLC (English Medium) इयत्ता ७ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

The difference of two decimals is 86.58 and one of the decimal is 42.31 Find the other one

Malini bought three ribbons of length 13.92 m, 11.5 m and 10.64 m. Find the total length of the ribbons?

The distance travelled by Prabhu from home to Yoga centre is 102 m and from Yoga centre to school is 165 m. What is the total distance travelled by him in kilometres (in decimal form)?

Anbu and Mala travelled from A to C in two different routes. Anbu travelled from place A to place B and from there to place C. A is 8.3 km from B and B is 15.6 km from C. Mala travelled from place A to place D and from there to place C. D is 7.5 km from A and C is 16.9 km from D. Who travelled more and by how much distance?

Using the identity (x + a)(x + b) = x² + x(a + b) + ab, find the following product

(x + 3)(x + 7)

Using the identity (x + a)(x + b) = x² + x(a + b) + ab, find the following product

(6a + 9)(6a – 5)

Using the identity (x + a)(x + b) = x² + x(a + b) + ab, find the following product

(4x + 3y)(4x + 5y)

Using the identity (x + a)(x + b) = x² + x(a + b) + ab, find the following product

(8 + pq)(pq + 7)

Evaluate the following, using suitable identity

51 × 52

Simplify using identities

(3p + q)(3p + r)

(−30) + ____ = 60

(−5) + ___ = −100

(−52) + (−52) = ____

____ + (−22) = 0

____ + (−70) = 70

20 + 80 + ____ = 0

75 + (−25) = _____

171 + _____ = 0

[(−3) + (−12)] + (−77) = ______ + [(−12) + (−77)]

(−42) + [ ____ + (−23)] = [ ____ + 15] + ____