Dr Shaheen Saeed - a key suspect in the Delhi Red Fort blast case - would speak darkly of her 'work' starting only after 4 pm every day, after she clocked out of her 'day job' at the Al-Falah School ...

A linear sequence repeatedly increases or decreases by the same amount. The number added (or subtracted) at each stage of the linear sequence remains the same. STEP 1 - You can solve problems using ...

Algebra uses letters to represent unknown values. Unknown values are commonly represented by the letters x and y. There are several principles you need to know to be able to use algebraic notation.