Three unbiased coins are tossed. What is the probability of getting at most 2 heads ?

A fruit-seller bought 47kg 500g of mangoes from one garden, 64kg 900g of mangoes from another garden and 55kg 250g of mangoes from the th... JKSSB Naib Tehsildar 2018 Written · Maths A barrel contains a mixture of wine and water in the ratio 3:1. How much fraction of the mixture must be drawn off and substituted by wat... JKSSB Jr. Assistant 2026 Written · Maths A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days b... JKSSB JKP Constable 2024 Written · Maths If 20 men can build a wall 56 metres long in 6 days, what length of a similar wall can be built by 35 men in 3 days? JKSSB JKP Constable 2024 Written · Maths 1. At a doctor's clinic, 8% of patients with liver disease are alcoholics. 6% of all patients are alcoholics, and 12% have liver disease.... JKSSB Wildlife Guard 2026 Written · Maths