ICSE ICSE Class 7 - CISCE Question Bank Solutions

What rational number should be added to `- 3/16` to get `11/24`

What rational number should be subtracted from `- 5/12` to get `5/24`.

What rational number should be subtracted from `5/8` to get `8/5`.

Evaluate: `(7/8 xx 24/21) + ((-5)/9 xx 6/-25)`

Evaluate: `(8/15 xx (-25)/16) + ((-18)/35 xx 5/6)`

Evaluate: `(18/33 xx (-22)/27) - ((13)/25 xx (-75)/26)`

Evaluate:

`((-13)/7 xx (- 35)/39) - ((-7)/45 xx (9)/14)`

Construct a ∆ABC such that:

AB = 6 cm, BC = 4 cm and CA = 5.5 cm

Construct a ∆ABC such that:

CB = 6.5 cm, CA = 4.2 cm and BA = 51 cm

Construct a ∆ABC such that:

BC = 4 cm, AC = 5 cm and AB = 3.5 cm

Construct a ∆ ABC such that:

AB = 7 cm, BC = 5 cm and ∠ABC = 60°

Construct a ∆ ABC such that:

BC = 6 cm, AC = 5.7 cm and ∠ACB = 75°

Construct a ∆ ABC such that:

AB = 6.5 cm, AC = 5.8 cm and ∠A = 45°

Construct a ∆ PQR such that :

PQ = 6 cm, ∠Q = 60° and ∠P = 45°. Measure ∠R.

Construct a ∆ PQR such that:

QR = 4.4 cm, ∠R = 30° and ∠Q = 75°. Measure PQ and PR.

Evaluate: `6^-2 div (4^-2 xx 3^-2)`

Construct a ∆ PQR such that:

PR = 5.8 cm, ∠P = 60° and ∠R = 45°. Measure ∠Q and verify it by calculations

Evaluate: `[(5/6)^2 xx 9/4] div [(- 3^2/2) xx 125/216]`

Construct an isosceles Δ ABC such that:

Base BC = 4 cm and base angle = 30°. Measure the other two sides of the triangle.

Evaluate: 5³ × 3² + (17)⁰ × 7³