Question
Two dice are rolled together. Find the probability that
the sum of the numbers on the two dice is less than 4.Solution
Favourable outcomes = (1, 1), (1, 2), (2, 1)
Required probability = 3/36 = 1/12
Total population of city P and Q is 2320 and 3150 respectively. If the ratio of number of males to females in city is P and Q is 5:3 and 3:2 respectivel...
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Rs.12000 was divided among A, B and C in the ratio 3:4:5. B kept Rs.1500 for himself, gave Rs.500 to his mother and divided the remaining money among hi...
A plot has to be divided among P, Q and R in the ratio 3:5:7 respectively. If the area of plot received by R is 4200m² more than the area of plot recei...
Find the third proportional to 16 and 48?
If a/b =c/d =e/f =2/3 Then (2a2-3c2+4e2)/ (2b2-3d2+4f2) =?
If the third proportion of 36 and 54 is “0.5k”, then find the value of (k − 28) : (k + 20).
The ratio of heartbreak to emotions is 2:3:4:5 The price of heart is inversely proportional to the square of emotions. If there is a loss of Rs 1420 due...
The ratio of two numbers is 3 : 8. If the sum of both the numbers is 220, then what is the smaller number among both the numbers?
The ratio of the two numbers is 4:11. 120% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.