School MathsLinear EquationsMedium
The perimeter of a rectangle is 46 cm and its length is 5 cm more than its breadth. What is its length?
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30-Second Times Tables
Times tables with quick +, − and ÷ mixed in. How many can you get right in 30 seconds?
- Time
- 30s
- Score
- 0
- Accuracy
- —
Answer as many as you can in 30 seconds: mostly times tables, with a few +, − and ÷. Tap an answer or press 1 to 4. Watch out: the wrong answers are the usual slips.
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| Right answers | Players |
|---|---|
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Puzzle of the Day
14+
24×
3÷
4−
30×
14+
6+
60×
2÷
11+
4−
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2÷
9+
Today
Number Cages
Difficulty 4/5
Fill the grid so every row and column has 1 to 6 once each. The numbers in each outlined cage make its total with the sign shown (− and ÷: the bigger number first).
Tap a cell, then a number. On a keyboard: arrow keys and 1 to 6; N switches notes on and off. Your progress stays in this browser.
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Yesterday's Sudoku: Solution
Today's solution shows here tomorrow.
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Aptitude · Competitive ExamsProbabilityMedium
A box contains 3 defective and 7 good bulbs. Two bulbs are drawn at random without replacement. What is the probability that at least one is defective?
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