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20 questions · No time limit
20 marks · +1 per question
Attempt this review after the five Numbers and Calculation lessons. Each question has exactly one correct answer and is worth one mark. This original learning review is untimed, with no negative marking and no pass cutoff. The four questions per lesson are a coverage choice, not a prediction of exam weighting. It is not a full RRB CBT simulation. Use natural numbers beginning at 1; factors, HCF and LCM refer to positive integers unless stated otherwise; √ denotes the nonnegative principal square root. Write a short reason or calculation before reading the key. Then revisit the relevant lesson and retry any missed question.
An account is needed only at the end to save your result.
