Question
A bag contains cards which are numbered from 2 to 90. A
card is drawn at random from the bag. Find the probability that the card number is a perfect square.Solution
Perfect square number between 2 and 90- 4,9,16,25,36,49,64,81 So now probability=8/89
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What will come in the place of question mark (?) in the given expression?
28 × 15 + 48% of ? = 780
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The alarms of two alarm clocks sound at regular intervals of 72 seconds and 80 seconds. If they beep together for the first time at 6:00 am, at what tim...
Solve the following:
1500 ÷ (9 × 18 ÷ 6 × 3 – 45) ²
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