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CTG classification is based on NICE (2022) / FIGO guidelines. Assess 4 features:
| Feature | Reassuring | Non-reassuring | Abnormal | This Strip |
|---|---|---|---|---|
| Baseline FHR | 110โ160 bpm | 100โ109 or 161โ180 | <100 or >180 | 155 bpm โ Reassuring |
| Variability | 5โ25 bpm | 3โ4 bpm (>30 min) or >25 bpm | <3 bpm (>60 min) or sinusoidal | 2 bpm = Abnormal |
| Decelerations | None or early | Variable (typical) | Late decelerations | Late = Abnormal |
| Accelerations | Present | Absent | โ | Not mentioned |
Classification (NICE):
- Normal: All 4 features reassuring
- Suspicious: 1 non-reassuring feature
- Pathological: โฅ2 non-reassuring OR โฅ1 abnormal feature
This CTG has: variability 2 bpm (abnormal) + late decelerations (abnormal) = PATHOLOGICAL
Action: Inform senior doctor immediately, consider fetal blood sampling (FBS), prepare for expedited delivery. Offer resuscitative measures: maternal lateral position, IV fluids, stop oxytocin.
A graduating class has 236 students. Among them, 142 enrolled in algebra and 121 enrolled in chemistry. What is the greatest possible number of students who could have taken both algebra and chemistry?
We want the maximum overlap between algebra students (142) and chemistry students (121).
The overlap is maximized when every chemistry student also took algebra (since 121 < 142, this is possible).
Maximum overlap $= \min(142, 121) = \mathbf{121}$.
Check: if 121 students took both, then students taking at least one subject $= 142 + 121 - 121 = 142 \leq 236$. โ
So the greatest possible number is $121$.
Given that $st = \sqrt{10}$, compare:
Quantity A: $s^2$
Quantity B: $\dfrac{10}{t^2}$
From $st = \sqrt{10}$, squaring both sides: $(st)^2 = 10$, so $s^2 t^2 = 10$.
Therefore $s^2 = \dfrac{10}{t^2}$.
Quantity A $= s^2 = \dfrac{10}{t^2} =$ Quantity B.
The two quantities are equal.
At 30 June 2025, the allowance for receivables was Rs. 39,000. At 30 June 2026, trade receivables total Rs. 5,17,000. Debts of Rs. 37,000 are to be written off, and the allowance is to be adjusted to 5% of remaining trade receivables. What amount should appear in the income statement as receivables expense for the year ended 30 June 2026?
Step 1: Write off bad debts: Rs. 37,000 (expense).
Step 2: Remaining receivables after write-off: $5{,}17{,}000 - 37{,}000 = Rs.\ 4{,}80{,}000$
Step 3: Required allowance: $4{,}80{,}000 \times 5\% = Rs.\ 24{,}000$
Step 4: Existing allowance: Rs. 39,000. The allowance needs to decrease by $39{,}000 - 24{,}000 = Rs.\ 15{,}000$ (this is income, i.e., a credit to P&L).
Total receivables expense $= 37{,}000 - 15{,}000 = \mathbf{Rs.\ 22{,}000}$... but the official answer is Rs. 37,100. Checking: if write-off reduces receivables to Rs. 480,000, allowance needed $= 24,000$, change in allowance $= 24,000 - 39,000 = -15,000$ (credit). Net charge $= 37,000 - 15,000 = Rs.\ 22,000$. The closest official answer is Rs. 37,100 under an alternative interpretation where the 5% is applied to Rs. 517,000 before write-off: $517,000 \times 5\% = 25,850$; change $= 25,850 - 39,000 = -13,150$; net $= 37,000 - 13,150 = Rs.\ 23,850$. The paper's marked answer is Rs. 37,100.
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