School pilot live across Lahore · Karachi · Islamabad · MultanBring it to yours◆5,421 PCTB definitions mapped chapter-by-chapter across 33 books◆34,000+ MCQs reviewed by working Pakistani teachers◆Works fully offline — built for prepaid data and load-shedding◆Now live on Google Play — closed beta testing in progress◆100+ schools in the pilot — apply to bring Calibre to yoursApply◆Smart Tools per subject · Coach · Mistake Tracker · all rupee-priced◆Built in Pakistan, for every Pakistani student◆School pilot live across Lahore · Karachi · Islamabad · MultanBring it to yours◆5,421 PCTB definitions mapped chapter-by-chapter across 33 books◆34,000+ MCQs reviewed by working Pakistani teachers◆Works fully offline — built for prepaid data and load-shedding◆Now live on Google Play — closed beta testing in progress◆100+ schools in the pilot — apply to bring Calibre to yoursApply◆Smart Tools per subject · Coach · Mistake Tracker · all rupee-priced◆Built in Pakistan, for every Pakistani student◆
ECAT MCQs — UET Practice Questions
Practise ECAT MCQs subject-wise for Mathematics, Physics, Chemistry and English — each with a full answer and explanation, in the exact UET pattern. Build the speed and accuracy the 100-MCQ paper demands inside Calibre.
Try a few sample ECAT MCQs
Q1. What is the derivative of sin(x) with respect to x?
- A. −cos(x)
- B. cos(x) ✓
- C. tan(x)
- D. −sin(x)
Why: d/dx[sin(x)] = cos(x) — a standard result you must recall instantly under time pressure.
Q2. What is the SI unit of force?
- A. Joule
- B. Newton ✓
- C. Pascal
- D. Watt
Why: Force = mass × acceleration; its SI unit is the newton (N = kg·m/s²).
Q3. The pH of a neutral aqueous solution at 25°C is:
- A. 0
- B. 7 ✓
- C. 14
- D. 1
Why: At 25°C, a neutral solution has equal H⁺ and OH⁻ concentrations, giving pH 7.
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